[computer conferencing system] CoSy was an early computer conferencing system developed by the University of Guelph in 1983 and 1984. CoSy was selected by Byte Magazine to launch their BIX system in 1985 In addition to BIX, it was used to implement a similar British system named CIX, as well as numerous other installations such as CompuLink... Found on http://en.wikipedia.org/wiki/CoSy_(computer_conferencing_system)