Even when several people look at the same work surface, their foveal focus of attention is rarely on the same location. That is to say, I need not experience exactly what you experience in order to work effectively with you. Rather, in order to work with you I must be able to construct a partially complete model of your experience, which may be quite different from my own. Figure 3. shows the video tunnel. The full and half-silvered mirrors act to place the camera's point of view at the center of the monitor.
Users can thereby achieve a sense of eye contact when gazing towards each other.
The novice email author often discovers to his dismay that what the reader saw was not what the author thought he would see. A sees, it is not necessarily true that what B sees is what A thinks B sees. Conclusions Technologies that support real time interaction without attending to the subtleties of human communication risk damaging the collaboration. Proceedings of the 1989 European Conference on Computer Supported Cooperative Work, September 1989, Gatwick, England. Studies in Computer Supported Cooperative Work Theory, Practice, and Design.