Discusses human-computer interfaces in business settings and describes the concept of electronic paper (EP), a flat display board that is written on with a stylus, as an alternative to the traditional keyboard. Applications of EP are described; enabling technologies are explained; and commercial systems are described. (26 references) (LRW)

This overview of videotex covers three types of systems--teletext, viewdata, and cabletext. Teletext, which stores information as a series of pages which are broadcast along with television pictures for viewing on specially adapted television screens, is characterized as journalistic, and the offerings of three British systems--CEEFAX (BBC),…