Microprocessor based media : a briefing on the technologies, applications, and diffusion of videotex, teletext, personal computers, speech synthesis and speech recognition, communicating word processors, and satellite earth terminals

Identifies and describes the different communication technologies, products, commercial services, and field trials presently or soon available in North America. Delineates their main applications in the home and office, their costs, the major industrial players, and the penetration of services and products