The keynote article in this issue summarizes some of the lessons learned after a decade of using satellites for public service, and after five years of experimentation with information technologies designed for specialized audiences. Community service programs in the Appalachian Mountain and Rocky Mountain regions and in the state of Alaska are…

Communication planning in developing countries is discussed in individual articles on theory, knowledge production and utilization, planning at the regional level, software, and rural development. A nutrition education project and three experiments in developing educational materials with feedback from villagers in Africa are described in the…