4. Twitter in the classroom University of Texas at Dallas http://www.youtube.com/watch?v=6WPVWDkF7U8 http://www.utdallas.edu/~mar046000/usweb/twitterconclusions.htm
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8. A richer definition Suter, Alexander, and Kaplan, P. (2005) a tool for augmenting human social and collaborative abilities a medium for facilitating social connection and information interchange an ecology for enabling a “system of people, practices, values and technologies in a particular local environment”
20. Feedback by screencast Student feedback: “I really like the screencast mechanism. More generally, it’s been interesting to follow and learn from other people’s feedback too. I probably wouldn’t have bothered to check all the others if I had to cross-reference a posting with a saved document, but the screencasts make it really easy”