This booklet includes descriptions of new communications technologies and case studies of how they can be used in planning for appropriate and effective use of technology to enhance service to the public. Single-page overviews of satellites, broadcasting, videotex, cable television, microcomputers, teleconferencing, personal video, and telephones are provided. Individual chapters provide details on how public service organizations have used these technologies in fund raising, publicity and media relations, public education, consensus building and advocacy, research and dissemination, training and professional development, delivery of services, and management and administration. Brief case studies summarize a variety of projects developed by such organizations as school districts, the People for the American Way, United Methodist Communications, the Domestic Policy Association, the League of Women Voters, the American Business Network, the United States Chamber of Commerce, the American Enterprise Institute, and the AFL-CIO. A resource list includes 19 organizations, 16 books, and 8 periodicals. (LMM)