program, which was popular in the 1980s and early 1990s. Some BBS chat programs (i.e. CelerityBBS) also used a similar interface. Modern implementations of
Real-time text is also historically found in the old UNIX talk, BBS software such as CelerityBBS, and older versions of ICQ messaging software. Collaborative
and accessibility. Later, in the 1990s, CelerityBBS, a popular MS-DOS-based system, introduced a "CAE" (Celerity ASCII Express) mode. This feature provided