Presents a conceptual overview of online information systems, emphasizing the distinction between hypertext (associative) and more traditional (search) models of information management. Five commercially available hypertext systems are reviewed, hypertext design issues are discussed, and the application of structured writing techniques to…

Explores children's systems of combining drawing, talk, and writing (i.e., symbol-weaving) with traditional media and with new information technology. Social aspects of writing are discussed, and new information technology is examined, including clip art software, word processing, graphics, color, hypermedia, CD-ROM, and microworlds. (23…