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Cultural-historical activity theory (CHAT) is a theoretical framework [1] to conceptualize and analyse the relationship between cognition (what people think and feel) and activity (what people do). [ 2 ] [ 3 ] [ 4 ] The theory was founded by L. S. Vygotsky [ 5 ] and Aleksei N. Leontiev , who were part of the cultural-historical school of ...
A chat log is an archive of transcripts from online chat and instant messaging conversations. Many chat or IM applications allow for the client-side archiving of online chat conversations, while a subset of chat or IM clients (i.e., Google Talk and Yahoo!
The first dedicated online chat service that was widely available to the public was the CompuServe CB Simulator in 1980, [7] [8] created by CompuServe executive Alexander "Sandy" Trevor in Columbus, Ohio. Ancestors include network chat software such as UNIX "talk" used in the 1970s. [citation needed] Chat is implemented in many video ...
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ICQ was among the first stand-alone instant messenger (IM) applications—while real-time chat was not in itself new (Internet Relay Chat [IRC] being the most common platform at the time), the concept of a fully centralized service with individual user accounts focused on one-on-one conversations set the blueprint for later instant messaging ...
The term chat room, or chatroom (and sometimes group chat; abbreviated as GC), is primarily used to describe any form of synchronous conferencing, occasionally even asynchronous conferencing. The term can thus mean any technology, ranging from real-time online chat and online interaction with strangers (e.g., online forums ) to fully immersive ...
A screenshot of the Yahoo! Chat service, c. 2000. Yahoo! Messenger allowed private group conversations. Yahoo! Chat was a free online chat room service provided exclusively for Yahoo! users. Yahoo! Chat was first launched on January 7, 1997. Yahoo! Chat was a separate vertical on Yahoo!. [2] On March 9, 1998, the first public version of Yahoo!
Google Hangouts was a cross-platform instant messaging (IM) service developed by Google.It originally was a feature of Google+, becoming a standalone product in 2013, when Google also began integrating features from Google+ Messenger and Google Talk into Hangouts.