Internet chat rooms and rapid real-time teleconferencing allow users to interact with whoever happens to coexist in cyberspace.
These virtual interactions involve us in 'talking' more freely and more widely than ever before.
The first online chat system was called Talkomatic, created by Doug Brown and David R.
Woolley in 1973 on the PLATO System at the University of Illinois.
Online chat may address point-to-point communications as well as multicast communications from one sender to many receivers and voice and video chat, or may be a feature of a web conferencing service.These conventions or guidelines have been created to avoid misunderstandings and to simplify the communication between users.Chatiquette varies from community to community and generally describes basic courtesy.As an example, it is considered rude to write only in upper case, because it appears as if the user is shouting.The word "chatiquette" has been used in connection with various chat systems (e.g. Writing is changing as it takes on some of the functions and features of speech.