When computing is used as a communication device, one of the surprising properties is that it becomes a social activity. People like to meet other people, to discuss with them, to exchange opinions and information, to confer in a computer network. Murray Turoff is considered by many (Rheingold, 1993) as the father of computerized conferencing. While employed for war games and other kinds of computer simulations at the Institute for Defense Analysis in the late 1960s, Turoff was trying to computerize the "Delphi method." Delphi was a process developed at RAND in which printed questionnaries and responses were circulating among a group of experts.