SKYPE
DOWNLOAD: http://www.skype.com/helloagain.html
Educational Uses:
Academic Potential: http://connect.educause.edu/blog/jeffvand/skypecastsacademicpo/11367
The Cool Cat Teacher Blog: http://coolcatteacher.blogspot.com/2006/10/using-skype-in-classroom-or-just.html
Teachers Teaching Teachers -- Teaching Blogging using Skype: http://digg.com/podcasts/Teachers_Teaching_Teachers/227334
Using Skype For Dummies (Using Skype at School - an adaptation): http://www.dummies.com/WileyCDA/DummiesArticle/id-4420,subcat-USING.html?print=true