Videoconferencing and Telepresence

Overview of Web Conferencing Tools:
https://spreadsheets.google.com/ccc?key=0AgJkAm8YfFJndFRMdnZIRnVOYzE0VXNkV2RnWXFidlE&hl=en&pli=1#gid=0

Useful articles for videoconferencing and telepresence solutions:
http://www.insidehighered.com/views/2010/06/22/jansson
http://www.nitle.org/help/telepresence.php.
http://www.uvccompatiblewebcams.com/
http://www.tandberg.com/video-conferencing-case-studies/distance-learning-videoconferencing-education.jsp