Described is The Source, a telecomputing network that gives the user access to thousands of programs and data bases, and the ability to communicate electronically with other users interactively and through electronic mail. It also provides access to the United Press International (UPI) wire service through the use of key words. (KC)

Telewriting, televideo, and facsimile systems are new forms of teleconferencing which can transmit a variety of graphic and pictorial information on voice-grade telephone lines. All of the equipment employs solid-state circuitry to enhance performance and to exploit the limitations of a narrowband channel. Telewriters range from simple…