Educational uses and ideas of Web2.0 and Web3D

Graham Stanely has published an excellent video that overviews educational uses and ideas of Web2.0 and Web3D. Quite useful if you are still introducing people to the concepts, or trying to motivate people to stay on it. - This work is licensed under a Creative Commons License.
http://blog-efl.blogspot.com/2006/11/blogs-wikis-podcasts-second-life.html