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Instant messaging

Index Instant messaging

Instant messaging (IM) technology is a type of online chat that offers real-time text transmission over the Internet. [1]

188 relations: Acision, AIM (software), Ambient awareness, AOL, Apple Inc., Application software, Bitmessage, Black hat, BlackBerry Limited, BlackBerry Messenger, Bloomberg L.P., Bulletin board system, CB Simulator, Celerity BBS, Chatbot, Client (computing), Client–server model, Code Shikara, Columbus, Ohio, Commodore 64, Communication protocol, Comparison of instant messaging clients, Comparison of instant messaging protocols, Compatible Time-Sharing System, CompuServe, Computer appliance, Computer network, Computer security, Computer worm, Comverse Technology, Contact list, CU-SeeMe, Desktop sharing, Discord (software), Discovery (law), E-commerce, EBuddy, Electronic Frontier Foundation, Email filtering, Emotional expression, Enterprise application integration, Enterprise software, Ericsson, Excite, Facebook, Facebook Messenger, Federal Rules of Civil Procedure, File transfer, Financial Industry Regulatory Authority, Firewall (computing), ..., Followap, Gadu-Gadu, Google, Google Talk, Graphical user interface, GSM, Headphones, Health Insurance Portability and Accountability Act, Hike Messenger, Hyperlink, IBM, IBM Sametime, ICQ, IMessage, IMVU, Instant messaging, Instant Messaging and Presence Protocol, Internet, Internet Engineering Task Force, Internet Relay Chat, Internet slang, IPTV, LAN messenger, Line (software), Linux, Live Communications Server 2005, LiveChat, Local area network, LOL, Lotus Software, Macintosh, Mass collaboration, Message-oriented middleware, Messaging apps, Microphone, Microsoft, Microsoft Exchange Server, Microsoft Windows, Mirabilis (company), Mobile phone, MSN, Multi-user software, Multicast, Multics, Mxit, Naver (corporation), Network security, Nokia, OkCupid, OMA Instant Messaging and Presence Service, Online chat, Online dating service, Open Mobile Alliance, Open standard, Open-source model, Operating system, Operator messaging, Oracle Beehive, Oracle Corporation, Paltalk, Patch (computing), Peer-to-peer, PETSCII, Phishing, Pidgin, Pidgin (software), Plain text, PLATO (computer system), PlentyOfFish, Point-to-point (telecommunications), Poland, PowWow (chat program), Project Athena, Proprietary protocol, Push technology, Quantum Link, Real-time text, RetroShare, Reuters, Reverse engineering, Ricochet (software), Ring (software), Sarbanes–Oxley Act, Server (computing), Serverless computing, Service mark, Session Initiation Protocol, SIMPLE (instant messaging protocol), Skype, Skype for Business, Skype for Business Server, Smartphone, Social media, Social networking service, South Africa, Spyware, Synchronization, Talk (software), Talker, Talkomatic, Telegram (service), Tencent, Text messaging, The Register, Thomson Reuters Messenger, Tox (protocol), Transaction processing, Trillian (software), Trojan horse (computing), Twitter, Ubique (company), Unified communications, Unified messaging, URL, User Datagram Protocol, Viber, Videotelephony, Virtual assistant, Voice over IP, WarnerMedia, Web 2.0, Web application, Web conferencing, Webcam, Website, WeChat, WhatsApp, Windows Live Messenger, World Wide Web, X Window System, Xfire, XML, XMPP, XMPP Standards Foundation, Yahoo!, Yahoo! Messenger, Zephyr (protocol), 2010s. Expand index (138 more) »


Having been acquired by Comverse, Inc.

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AIM (software)

AIM (AOL Instant Messenger) was an instant messaging and presence computer program created by AOL, which used the proprietary OSCAR instant messaging protocol and the TOC protocol to allow registered users to communicate in real time.

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Ambient awareness

Ambient awareness is a term used by social scientists to describe a new form of peripheral social awareness.

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AOL (formerly a company known as AOL Inc., originally known as America Online, and stylized as Aol.) is a web portal and online service provider based in New York.

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Apple Inc.

Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.

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Application software

An application software (app or application for short) is a computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.

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Bitmessage is a decentralized, encrypted, peer-to-peer, trustless communications protocol that can be used by one person to send encrypted messages to another person, or to multiple subscribers.

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Black hat

A black hat hacker (or black-hat hacker) is a hacker who "violates computer security for little reason beyond maliciousness or for personal gain".

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BlackBerry Limited

BlackBerry Limited is a Canadian multinational company specializing in enterprise software and the Internet of things.

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BlackBerry Messenger

BlackBerry Messenger, also known as BBM, is a proprietary Internet-based instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice calls between BlackBerry, iOS, Android, and Windows Mobile users.

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Bloomberg L.P.

Bloomberg L.P. is a privately held financial, software, data, and media company headquartered in Midtown Manhattan, New York City.

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Bulletin board system

A bulletin board system or BBS (also called Computer Bulletin Board Service, CBBS) is a computer server running software that allows users to connect to the system using a terminal program.

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CB Simulator

CompuServe CB Simulator was the first dedicated online chat service that was widely available to the public.

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Celerity BBS

Celerity BBS was a descendant of the freely distributed source of TCS BBS 1.43, and ultimately nearly completely rewritten.

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A chatbot (also known as a talkbot, chatterbot, Bot, IM bot, interactive agent, or Artificial Conversational Entity) is a computer program or an artificial intelligence which conducts a conversation via auditory or textual methods.

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Client (computing)

A client is a piece of computer hardware or software that accesses a service made available by a server.

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Client–server model

The client–server model is a distributed application structure that partitions tasks or workloads between the providers of a resource or service, called servers, and service requesters, called clients.

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Code Shikara

Code Shikara is a computer worm, related to the Dorkbot family, that attacks through social engineering.

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Columbus, Ohio

Columbus is the state capital and the most populous city in Ohio.

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Commodore 64

The Commodore 64, also known as the C64 or the CBM 64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, in Las Vegas, January 7–10, 1982).

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Communication protocol

In telecommunication, a communication protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity.

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Comparison of instant messaging clients

Instant messaging was created in July 1996 by Yair Goldfinger, Arik Vardi, Sefi Vigiser, and Amnon Amir, when they started a company called Mirabilis in order to introduce a new way of communication over the Internet.

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Comparison of instant messaging protocols

The following is a comparison of instant messaging protocols.

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Compatible Time-Sharing System

The Compatible Time-Sharing System (CTSS), was one of the first time-sharing operating systems; it was developed at the MIT Computation Center.

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CompuServe (CompuServe Information Service, also known by its initialism CIS) was the first major commercial online service provider in the United States.

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Computer appliance

A computer appliance is a computer with software or firmware that is specifically designed to provide a specific computing resource.

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Computer network

A computer network, or data network, is a digital telecommunications network which allows nodes to share resources.

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Computer security

Cybersecurity, computer security or IT security is the protection of computer systems from theft of or damage to their hardware, software or electronic data, as well as from disruption or misdirection of the services they provide.

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Computer worm

A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers.

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Comverse Technology

Comverse Technology, Inc., founded in Israel, was a technology company located in Woodbury, New York in the United States, that developed and marketed telecommunications software.

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Contact list

A contact list is a collection of screen names.

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CU-SeeMe (also written as CUseeMe or CUSeeMe depending on the source) is an Internet videoconferencing client.

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Desktop sharing

Desktop sharing is a common name for technologies and products that allow remote access and remote collaboration on a person's computer desktop through a graphical Terminal emulator.

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Discord (software)

Discord is a proprietary freeware voice-over-Internet Protocol (VoIP) application designed for gaming communities, that specializes in text and audio communication between users in a chat channel.

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Discovery (law)

Discovery, in the law of the United States and other countries, is a pre-trial procedure in a lawsuit in which each party, through the law of civil procedure, can obtain evidence from the other party or parties by means of discovery devices such as a request for answers to interrogatories, request for production of documents, request for admissions and depositions.

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E-commerce is the activity of buying or selling of products on online services or over the Internet.

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eBuddy is a privately held Dutch software company that offers instant messaging services.

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Electronic Frontier Foundation

The Electronic Frontier Foundation (EFF) is an international non-profit digital rights group based in San Francisco, California.

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Email filtering

Email filtering is the processing of email to organize it according to specified criteria.

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Emotional expression

Emotional expressions in psychology are.

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Enterprise application integration

Enterprise application integration (EAI) is the use of software and computer systems' architectural principles to integrate a set of enterprise computer applications.

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Enterprise software

Enterprise software, also known as enterprise application software (EAS), is computer software used to satisfy the needs of an organization rather than individual users.

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Ericsson (Telefonaktiebolaget L. M. Ericsson) is a Swedish multinational networking and telecommunications company headquartered in Stockholm.

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Excite (stylized as excite) is an internet portal launched in December 1995 that provides a variety of content including news and weather, a metasearch engine, a web-based email, instant messaging, stock quotes, and a customizable user homepage.

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Facebook is an American online social media and social networking service company based in Menlo Park, California.

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Facebook Messenger

Facebook Messenger (sometimes known as Messenger) is a messaging app and platform.

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Federal Rules of Civil Procedure

The Federal Rules of Civil Procedure (officially abbreviated Fed. R. Civ. P.; colloquially FRCP) govern civil procedure (i.e. for civil lawsuits) in United States district (federal) courts.

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File transfer

File transfer is the transmission of a computer file through a communication channel from one computer system to another.

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Financial Industry Regulatory Authority

In the United States, the Financial Industry Regulatory Authority, Inc. (FINRA) is a private corporation that acts as a self-regulatory organization (SRO).

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Firewall (computing)

In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

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Followap was the leading provider and pioneer of mobile Messenger - Instant Messaging and Presence solutions to the mobile industry.

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Gadu-Gadu (Polish for "chit-chat"; commonly known as GG or gg) is a Polish instant messaging client using a proprietary protocol.

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Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.

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Google Talk

Google Talk (also known as Google Chat) is an instant messaging service that provides both text and voice communication.

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Graphical user interface

The graphical user interface (GUI), is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation.

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GSM (Global System for Mobile communications) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation digital cellular networks used by mobile devices such as tablets, first deployed in Finland in December 1991.

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Headphones (or head-phones in the early days of telephony and radio) are a pair of small loudspeaker drivers worn on or around the head over a user's ears.

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Health Insurance Portability and Accountability Act

The Health Insurance Portability and Accountability Act of 1996 (HIPAA) was enacted by the United States Congress and signed by President Bill Clinton in 1996.

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Hike Messenger

Hike is India's first social and technology company.

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In computing, a hyperlink, or simply a link, is a reference to data that the reader can directly follow either by clicking, tapping, or hovering.

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The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IBM Sametime

IBM Sametime (formerly IBM Lotus Sametime) is a client–server application and middleware platform that provides real-time, unified communications and collaboration for enterprises.

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ICQ is an instant messaging client that was first developed and popularized by the Israeli company Mirabilis in 1996.

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iMessage is an instant messaging service developed by Apple Inc. It is supported by the Messages application in iOS 5 and later and OS X Mountain Lion and later.

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IMVU Inc., (stylized as imvu) is an online metaverse and website.

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Instant messaging

Instant messaging (IM) technology is a type of online chat that offers real-time text transmission over the Internet.

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Instant Messaging and Presence Protocol

Instant Messaging and Presence Protocol (IMPP) was an IETF working group created for the purpose of developing an architecture for simple instant messaging and presence awareness/notification.

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The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.

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Internet Engineering Task Force

The Internet Engineering Task Force (IETF) develops and promotes voluntary Internet standards, in particular the standards that comprise the Internet protocol suite (TCP/IP).

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Internet Relay Chat

Internet Relay Chat (IRC) is an application layer protocol that facilitates communication in the form of text.

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Internet slang

Internet slang (Internet shorthand, cyber-slang, netspeak, or chatspeak) refers to various kinds of slang used by different people on the Internet.

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Internet Protocol television (IPTV) is the delivery of television content over Internet Protocol (IP) networks.

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LAN messenger

A LAN Messenger is a instant messaging program designed for use within a single local area network (LAN).

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Line (software)

Line (styled as LINE) is a freeware app for instant communications on electronic devices such as smartphones, tablet computers, and personal computers.

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Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Live Communications Server 2005

Live Communications Server 2005 (LCS 2005), codenamed Vienna, is the second version of a SIP based instant messaging and presence server after Live Communications Server 2003.

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LiveChat is an offline customer service software with live support, help desk software, and web analytics capabilities.

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Local area network

A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.

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LOL, or lol, is an acronym for laugh(ing) out loud or lots of laughs, and a popular element of Internet slang.

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Lotus Software

Lotus Software (called Lotus Development Corporation before its acquisition by IBM) was an American software company based in Massachusetts.

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The Macintosh (pronounced as; branded as Mac since 1998) is a family of personal computers designed, manufactured, and sold by Apple Inc. since January 1984.

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Mass collaboration

Mass collaboration is a form of collective action that occurs when large numbers of people work independently on a single project, often modular in its nature.

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Message-oriented middleware

Message-oriented middleware (MOM) is software or hardware infrastructure supporting sending and receiving messages between distributed systems.

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Messaging apps

Messaging apps (a.k.a. "Social messaging" or "chat applications") are apps and platforms that enable messaging, many of which started around social networking platforms, but many of which have now developed into broad platforms enabling status updates, chatbots, payments and conversational commerce (e-commerce via chat).

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A microphone, colloquially nicknamed mic or mike, is a transducer that converts sound into an electrical signal.

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Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Microsoft Exchange Server

Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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Mirabilis (company)

Mirabilis is an Israeli company that developed the ICQ instant messaging program, a pioneer of online chatting that revolutionized communication over the Internet.

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Mobile phone

A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.

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MSN (stylized as msn) is a web portal and related collection of Internet services and apps for Windows and mobile devices, provided by Microsoft and launched on August 24, 1995, the same release date as Windows 95.

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Multi-user software

Multi-user software is software that allows access by multiple users of a computer.

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In computer networking, multicast is group communication where data transmission is addressed to a group of destination computers simultaneously.

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Multics (Multiplexed Information and Computing Service) is an influential early time-sharing operating system, based around the concept of a single-level memory.

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Mxit (pronounced "mix it") was a free instant messaging application developed by Mxit (Pty) Ltd.

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Naver (corporation)

Naver Corporation (KRX: 035420) is an Internet content service company which operates Korea's top search engine Naver and is headquartered in Seongnam, South Korea.

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Network security

Network security consists of the policies and practices adopted to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources.

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Nokia is a Finnish multinational telecommunications, information technology, and consumer electronics company, founded in 1865.

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OkCupid (sometimes abbreviated as OKC) is an American-based, internationally operating online dating, friendship, and social networking website that features multiple-choice questions in order to match members.

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OMA Instant Messaging and Presence Service

The OMA Instant Messaging and Presence Service (IMPS) is an Open Mobile Alliance enabler for Instant Messaging and Presence.

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Online chat

Online chat may refer to any kind of communication over the Internet that offers a real-time transmission of text messages from sender to receiver.

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Online dating service

Online dating (or Internet dating) is a system that enables people to find and introduce themselves to new personal connections over the Internet, usually with the goal of developing personal, romantic, or sexual relationships.

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Open Mobile Alliance

The Open Mobile Alliance (OMA) is a standards body which develops open standards for the mobile phone industry.

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Open standard

An open standard is a standard that is publicly available and has various rights to use associated with it, and may also have various properties of how it was designed (e.g. open process).

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Open-source model

The open-source model is a decentralized software-development model that encourages open collaboration.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Operator messaging

Operator Messaging is the term, similar to Text Messaging and Voice Messaging, applying to an answering service call center who focuses on one specific scripting style that has grown out of the alphanumeric pager history.

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Oracle Beehive

Oracle Beehive is collaboration platform software developed by Oracle Corporation that combines email, team collaboration, instant messaging, and conferencing in a single solution.

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Oracle Corporation

Oracle Corporation is an American multinational computer technology corporation, headquartered in Redwood Shores, California.

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Paltalk is a proprietary video group chat service that enables users to communicate via video, internet chat and voice.

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Patch (computing)

A patch is a set of changes to a computer program or its supporting data designed to update, fix, or improve it.

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Peer-to-peer (P2P) computing or networking is a distributed application architecture that partitions tasks or workloads between peers.

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PETSCII (PET Standard Code of Information Interchange), also known as CBM ASCII, is the character set used in Commodore Business Machines (CBM)'s 8-bit home computers, starting with the PET from 1977 and including the C16, C64, C116, C128, CBM-II, Plus/4, and VIC-20.

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Phishing is the fraudulent attempt to obtain sensitive information such as usernames, passwords, and credit card details (and money), often for malicious reasons, by disguising as a trustworthy entity in an electronic communication.

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A pidgin, or pidgin language, is a grammatically simplified means of communication that develops between two or more groups that do not have a language in common: typically, its vocabulary and grammar are limited and often drawn from several languages.

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Pidgin (software)

Pidgin (formerly named Gaim) is a free and open-source multi-platform instant messaging client, based on a library named libpurple that has support for many instant messaging protocols, allowing the user to simultaneously log into various services from one application.

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Plain text

In computing, plain text is the data (e.g. file contents) that represent only characters of readable material but not its graphical representation nor other objects (images, etc.). It may also include a limited number of characters that control simple arrangement of text, such as line breaks or tabulation characters.

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PLATO (computer system)

PLATO (Programmed Logic for Automatic Teaching Operations) was the first generalized computer-assisted instruction system.

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PlentyOfFish (POF) is an online dating service, popular primarily in Canada, the United Kingdom, Ireland, Australia, New Zealand, Brazil, and the United States.

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Point-to-point (telecommunications)

In telecommunications, a point-to-point connection refers to a communications connection between two Communication endpoints or nodes.

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Poland (Polska), officially the Republic of Poland (Rzeczpospolita Polska), is a country located in Central Europe.

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PowWow (chat program)

PowWow was one of the first Internet instant message and chat programs for Windows.

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Project Athena

Project Athena was a joint project of MIT, Digital Equipment Corporation, and IBM to produce a campus-wide distributed computing environment for educational use.

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Proprietary protocol

In telecommunications, a proprietary protocol is a communications protocol owned by a single organization or individual.

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Push technology

Push technology, or server push, is a style of Internet-based communication where the request for a given transaction is initiated by the publisher or central server.

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Quantum Link

Quantum Link (or Q-Link) was a U.S. and Canadian online service for Commodore 64 and 128 personal computers that operated starting November 5, 1985.

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Real-time text

Real-time text (RTT) is text transmitted instantly as it is typed or created.

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RetroShare is an free and open-source peer-to-peer communication and file sharing app, based on a friend-to-friend network built on GNU Privacy Guard (GPG).

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Reuters is an international news agency headquartered in London, United Kingdom.

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Reverse engineering

Reverse engineering, also called back engineering, is the process by which a man-made object is deconstructed to reveal its designs, architecture, or to extract knowledge from the object; similar to scientific research, the only difference being that scientific research is about a natural phenomenon.

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Ricochet (software)

Ricochet or Ricochet IM is a free software, multi-platform, instant messaging software project originally developed by John Brooks and later adopted as the official instant messaging client project of the Invisible.im group.

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Ring (software)

GNU Ring (formerly SFLphone) is a SIP-compatible softphone and SIP-based instant messenger for Linux, Microsoft Windows, OS X and Android.

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Sarbanes–Oxley Act

The Sarbanes–Oxley Act of 2002, also known as the "Public Company Accounting Reform and Investor Protection Act" (in the Senate) and "Corporate and Auditing Accountability, Responsibility, and Transparency Act" (in the House) and more commonly called Sarbanes–Oxley, Sarbox or SOX, is a United States federal law that set new or expanded requirements for all U.S. public company boards, management and public accounting firms.

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Server (computing)

In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".

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Serverless computing

Serverless computing is a cloud-computing execution model in which the cloud provider dynamically manages the allocation of machine resources.

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Service mark

A service mark or servicemark is a trademark used in the United States and several other countries to identify a service rather than a product.

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Session Initiation Protocol

The Session Initiation Protocol (SIP) is a communications protocol for signaling and controlling multimedia communication sessions in applications of Internet telephony for voice and video calls, in private IP telephone systems, as well as in instant messaging over Internet Protocol (IP) networks.

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SIMPLE (instant messaging protocol)

SIMPLE, the Session Initiation Protocol for Instant Messaging and Presence Leveraging Extensions, is an instant messaging (IM) and presence protocol suite based on Session Initiation Protocol (SIP) managed by the Internet Engineering Task Force.

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Skype is a telecommunications application software product that specializes in providing video chat and voice calls between computers, tablets, mobile devices, the Xbox One console, and smartwatches via the Internet and to regular telephones.

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Skype for Business

Skype for Business (formerly Microsoft Office Communicator and Microsoft Lync) is an instant messaging client used with Skype for Business Server or with Skype for Business Online (available with Microsoft Office 365).

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Skype for Business Server

Skype for Business Server (formerly Microsoft Office Communications Server and Microsoft Lync Server) is real-time communications server software that provides the infrastructure for enterprise instant messaging, presence, VoIP, ad hoc and structured conferences (audio, video and web conferencing) and PSTN connectivity through a third-party gateway or SIP trunk.

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A smartphone is a handheld personal computer with a mobile operating system and an integrated mobile broadband cellular network connection for voice, SMS, and Internet data communication; most, if not all, smartphones also support Wi-Fi.

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Social media

Social media are computer-mediated technologies that facilitate the creation and sharing of information, ideas, career interests and other forms of expression via virtual communities and networks.

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Social networking service

A social networking service (also social networking site, SNS or social media) is a web application that people use to build social networks or social relations with other people who share similar personal or career interests, activities, backgrounds or real-life connections.

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South Africa

South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.

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Spyware is software that aims to gather information about a person or organization sometimes without their knowledge, that may send such information to another entity without the consumer's consent, that asserts control over a device without the consumer's knowledge, or it may send such information to another entity with the consumer's consent, through cookies.

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Synchronization is the coordination of events to operate a system in unison.

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Talk (software)

talk is a Unix text chat program, originally allowing messaging only between the users logged on to one multi-user computer—but later extended to allow chat to users on other systems.

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A talker is a chat system that people use to talk to each other over the Internet.

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Talkomatic is an online chat system that facilitates real-time text communication among a small group of people.

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Telegram (service)

Telegram is a cloud-based instant messaging and voice over IP service developed by Telegram Messenger LLP, a privately held company registered in London, United Kingdom, founded by the Russian entrepreneur Pavel Durov.

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Tencent Holdings Limited is a Chinese multinational investment holding conglomerate whose subsidiaries specialize in various Internet-related services and products, entertainment, artificial intelligence and technology both in China and globally.

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Text messaging

Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, tablets, desktops/laptops, or other devices.

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The Register

The Register (nicknamed El Reg) is a British technology news and opinion website co-founded in 1994 by Mike Magee, John Lettice and Ross Alderson.

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Thomson Reuters Messenger

Thomson Reuters Messenger (RM; formerly Reuters Messaging) is an instant messaging tool and real time collaboration service designed for financial professionals.

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Tox (protocol)

Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.

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Transaction processing

Transaction processing is information processing in computer science that is divided into individual, indivisible operations called transactions.

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Trillian (software)

Trillian is a proprietary multiprotocol instant messaging application for Microsoft Windows, Mac OS X, Linux, Android, iOS, BlackBerry OS, and the Web, created by Cerulean Studios.

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Trojan horse (computing)

In computing, a Trojan horse, or Trojan, is any malicious computer program which misleads users of its true intent.

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Twitter is an online news and social networking service on which users post and interact with messages known as "tweets".

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Ubique (company)

In 1994 the company launched the first social-networking software, which included instant messaging, voice over IP, chat rooms, web-based events, collaborative browsing.

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Unified communications

Unified communications (UC) is a business and marketing concept describing the integration of enterprise communication services such as instant messaging (chat), presence information, voice (including IP telephony), mobility features (including extension mobility and single number reach), audio, web & video conferencing, fixed-mobile convergence (FMC), desktop sharing, data sharing (including web connected electronic interactive whiteboards), call control and speech recognition with non-real-time communication services such as unified messaging (integrated voicemail, e-mail, SMS and fax).

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Unified messaging

Unified messaging (or UM) is a business term for the integration of different electronic messaging and communications media (e-mail, SMS, fax, voicemail, video messaging, etc.) technologies into a single interface, accessible from a variety of different devices.

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A Uniform Resource Locator (URL), colloquially termed a web address, is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it.

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User Datagram Protocol

In computer networking, the User Datagram Protocol (UDP) is one of the core members of the Internet protocol suite.

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Viber is a cross-platform instant messaging and voice over IP (VoIP) application operated by Japanese multinational company Rakuten, provided as freeware for the Microsoft Windows, macOS, Linux, Android and iOS platforms.

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Videotelephony comprises the technologies for the reception and transmission of audio-video signals by users at different locations, for communication between people in real-time.

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Virtual assistant

A virtual assistant is a software agent that can perform tasks or services for an individual.

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Voice over IP

Voice over Internet Protocol (also voice over IP, VoIP or IP telephony) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.

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Warner Media, LLC (formerly Time Warner Inc.), doing business as WarnerMedia, is an American multinational mass media and entertainment conglomerate headquartered in New York City and owned by AT&T.

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Web 2.0

Web 2.0 refers to World Wide Web websites that emphasize user-generated content, usability (ease of use, even by non-experts), and interoperability (this means that a website can work well with other products, systems, and devices) for end users.

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Web application

In computing, a web application or web app is a client–server computer program which the client (including the user interface and client-side logic) runs in a web browser.

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Web conferencing

Web conferencing may be used as an umbrella term for various types of online collaborative services including web seminars ("webinars"), webcasts, and peer-level web meetings.

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A webcam is a video camera that feeds or streams its image in real time to or through a computer to a computer network.

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A website is a collection of related web pages, including multimedia content, typically identified with a common domain name, and published on at least one web server.

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WeChat is a Chinese multi-purpose messaging, social media and mobile payment app developed by Tencent.

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WhatsApp Messenger is a freeware and cross-platform messaging and Voice over IP (VoIP) service owned by Facebook.

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Windows Live Messenger

Windows Live Messenger (formerly MSN Messenger) is a discontinued instant messaging client developed by Microsoft for Windows, Xbox 360, Mac OS X, BlackBerry OS, iOS, Java ME, S60 on Symbian OS 9.x, and Zune HD.

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World Wide Web

The World Wide Web (abbreviated WWW or the Web) is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and accessible via the Internet.

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X Window System

The X Window System (X11, or shortened to simply X) is a windowing system for bitmap displays, common on UNIX-like computer operating systems.

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Xfire (pronounced "X-Fire") was a proprietary freeware instant messaging service for gamers that also served as a game server browser with various other features.

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In computing, Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.

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Extensible Messaging and Presence Protocol (XMPP) is a communication protocol for message-oriented middleware based on XML (Extensible Markup Language).

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XMPP Standards Foundation

XMPP Standards Foundation (XSF) is the foundation in charge of the standardization of the protocol extensions of XMPP, the open standard of instant messaging and presence of the IETF.

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Yahoo! is a web services provider headquartered in Sunnyvale, California and wholly owned by Verizon Communications through Oath Inc..

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Yahoo! Messenger

Yahoo! Messenger (sometimes abbreviated Y!M) is an advertisement-supported instant messaging client and associated protocol provided by Yahoo!.

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Zephyr (protocol)

Created at MIT, as part of Project Athena, Zephyr was designed as an instant messaging protocol and application-suite with a heavy Unix background.

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The 2010s (pronounced "twenty-tens" or "two thousand (and) tens").

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[1] https://en.wikipedia.org/wiki/Instant_messaging

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