Buxton, W. (1992). Telepresence: integrating shared task and person spaces. In Proceedings of Graphics Interface ’92, pages 123–129, Vancouver, B.C., Canada. Canadian Human-Computer Communications Society. [pdf]
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This paper argues that current research on telepresence is dicotomized between works aiming at establishing consistent shared spaces and those supporting a sense of shared presence. The paper concludes that the integration of these two spaces is important: the smoothness of transitions. There are different cases and we should adapt technology to support this variety.