'Synchronous conferencing' is the formal term used in science, in particular in computer-mediated communication, collaboration and learning, to describe text chat technologies. It has arisen at a time when the term ''chat'' had a negative connotation. Today it is occasionally also extended to mean audio/video conferencing or instant messaging systems, given they provide a text-basedmulti-user chat function. The word ''synchronous'' in this case is not to be considered a technical term, but rather describing how it is perceived by humans - chat happens in ''realtime'' before your eyes.
Typical synchronous conferencing technologies include