Today's post is a presentation I'm giving in just an hour and a half about social networking. I haven't added all the cites yet, but this will update automatically. Enjoy!
Update: Here is a list of the sources for most of this material. All of these are interesting and present a variety of views about issues surrounding social networking sites--our fear of them, our unexamined embrace of them, their commercialization, and the good things they bring us.