This site defines connectivism and provides a clear list of some of the principles George Siemens deems to be most important to this theory. There is also a fun interactive component that allows the viewer to consider a situation involving connectivism that could be applied to the lives of many people.

This site gives an overview of communities of practice and discusses the viewpoints of Jean Lave and Etienne Wenger, who are well known proponents of the idea. This site provides a basic rationale for communities of practice and describes how we are all involved in them in various aspects of our lives, whether we realize it or not.

This is one of my favorite sites, www.edutopia.org, and I thought this was a nice intro article to social networking in education.

This is one of my favorite social networking sites for education. It looks like a pre-timeline Facebook account but is just for education. I use it with all my high school classes. Check it out!