Education 2.0: Around the Web

This post from Lifehack talks about using a wiki for notetaking.  I think it makes a great idea for teachers, conference attenders, and its proven good enough for planning hundreds of unconferences.

Need cheap books? Your amazon bill getting out of control? (technically I don’t think this is 2.0, but it screams collaboration and the community that 2.0 is about)

Are you into new media? Are you a web developer? Check out these presentations.

Any other resources? Any opinions of the above sites?