Describes teletext, a one-way broadcast transmission of text and graphics viewed on a television screen, and its use by publishers as one means of transferring textual and graphical information. Among the services described are news reports; weather forecasts; transportation, community, and consumer information; and advertising. (Author/JJD)

Videotex systems are reviewed and grouped into five general classes: information retrieval, transactions, messaging, computing, and telemonitoring. The videotex technologies providing these services at the user end are described and a series of technological enhancements for each service is discussed. (Author/JJD)

Describes Learn Alaska, an electronic educational system run jointly by the University of Alaska and the state Department of Education. Explains use of teleconferencing, videotex, teletext, and software teledelivery. (JM)

Discussion of videotex services for the general adult public and students covers investment by information provider (public libraries) and costs to user of a home system, problems of training for home use of telereference services, and six factors to be considered before introducing videotex services in the library. (EJS)

Identifies technologies available to libraries and information centers for increasing and redirecting information services to patrons. Viewdata and teletext services, videodisc technology, online catalogs, and microcomputers are highlighted, and methods and strategies for effective implementation are discussed. (EJS)

Describes the two-way Highly Interactive Optical Visual Information System (Hi-OVIS), involving the transmission and reception of educational, advertising, and public service programing, which has been in experimental use in Japan since 1978. Utilizing fiber optics, the system equips each house with a keyboard, television, television camera, and…

The Manitoba Telephone System has established an experimental integrated home information system called Project Ida in a trial group of 100 homes. Discussed here are the origin, current operation, and future prospects of this system, which includes videotex, fire monitoring, telemetering, and educational television. (Author/JJD)

Surveys over 700 Iowa farmers regarding their use of teletext and videotex technologies. Finds that for younger, higher-income farmers, these technologies are emerging as a "best source" for relatively perishable or highly volatile information like market prices; otherwise, these technologies complement rather than replace existing…

Report on Viewtron, first commercial videotex service in the United States, includes its multifarious services, subscription base, management by Viewdata, and failure to succeed as quickly as was expected. Explanations for this shortfall are discussed, and based on a review of the entire system, recommendations are made for boosting sales.…

Provides a glimpse into future uses of videotex in schools, libraries, and homes and reviews the present status of this important educational tool. Several videotex applications which educators have failed to fully utilize are discussed. (MBR)