A Website for Learning the Basics of Today’s Internet

This website has a page that lists 23 things (or small exercises) that you can do on the web to explore and expand your knowledge of the Internet and Web 2.0. Some popular online applications among the 23 are
2: Blogging
3: Photos & Images
4: RSS & Newsreaders
6: Tagging, Folksonomies & Technorati
7: Wikis
8: Online Applications & Tools
9: [...]