Traces the development of Telidon, a videotex communications system, highlighting Telidon trials and citing library applications and projects being developed by various Canadian libraries. Four references are cited and additional readings are provided. (EJS)

Discusses reasons for library involvement in the development of videotex in Canada, and proposes the use of a hypothetical videotex system with library staff and patrons as a closed user group to provide data for evaluating the impact of videotex on library services. Notes and 10 references are provided. (CHC)

Reviews developments of experimental satellite programs and their relationship to those operational satellite systems in existence or planned for use by private communications corporations and government agencies. Emphasizes issues related to the planning and availability of satellite systems. (JMF)