Excellent Informational Tool on 2.0

I found this site, and wanted to share it with you.  It was fairly simple to find, I just googled Web 2.0 Tools for Teachers, and there it was.  I'm going to start looking at penzu.com, an online journal.  I'll evaluate it and let you know what I think.

http://www.scribd.com/doc/19576895/Web-20-Tools-for-Teachers
http://www.penzu.com/