A list of projects at google sandbox - http://ruscoe.net/blog/2006/07/whats-in-googles-sandbox.asp

Strange Google Links - http://www.pipesnetwork.com/blog/archive/2006_03_03.php

Analysis website perforamnce - http://www.infoq.com/news/2011/04/Google-Page-Speed-Online-Mobile

Arts and Culture - https://artsandculture.google.com/