There’s an article on Digg titled “Detailed analysis of Web 2.0 in education “
The article covers: educational blogging, photo sharing, educational podcasting, wikis, video sharing, Web 2.0 courses, School 2.0, and more.
If you aren’t familiar with web 2.0 then make sure to read the article.
Here’s my tongue in cheek Superuser Web 2.0 banner created with GIMP.