Discussion of applications of teleconferencing, technology which allows information delivery and communication to take place through a television system, highlights three types of systems (videotext, teletext, fully interactive television); systems in use (CEEFAX, Oracle, Prestel, Telidon, Viewtron); public resistance; and telereference services…

Focuses on possibilities for providing reference service to remote users of digital collections. Discusses international digital reference networks; factors that limit global electronic reference service; and drawbacks of e-mail and use of real-time interactive technologies for the reference encounter. Highlights some pioneering projects. (AEF)