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GroupWeb is a browser that allows group members to visually share and navigate World Wide Web pages in real time. Its groupware features include document and view slaving for synchronizing information sharing, teleprinters for enacting gestures, and relaxed "what you see is what I see" views to handle display differences. A groupware text editor lets groups create and attach annotations to pages. An immediate application of GroupWeb is as a presentation tool for real time distance education and conferencing.
Greenberg et al. (Mon,) studied this question.
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