Google 101: The Ultimate List of Google’s Services and Products (siteboat.com)

Since there is Google US Puzzle Championship, there should be Google Code Jam: http://code.google.com/codejam/

I'm amazed at how many of them I had forgotten about.

I'm even more amazed that I had heard of all of them.. either I spend too much time on the internet, or Google are good at promotion... maybe both?

It took much time to prepare the list but i think it's the most detailed list about Google's services.