Abstract
Videoconference has been used for interactions between students and teachers in distance education for many years. The newer technology, video chat, a computerbased technology that has evolved from instant messaging, appears to be displacing videoconference due to its low cost and ease of use. Access Grid is a similar technology in that like the other two it is based on two-way audio and video communications. Since its inception in the mid-1990s, the Access Grid has been used by researchers and it is not surprising that usage levels in teaching and learning are increasing as many researchers are teachers and see its potential to bring media-rich interactions to e-learning.
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