This is an old revision of the document!
Google Toolbar Tracks Browsing Even After Users Choose “Disable”
http://www.benedelman.org/news/012610-1.html
Google Search is Getting More Social
http://googleblog.blogspot.com/2010/01/search-is-getting-more-social.html
Potentially helpful when you have to give a presentation in the future
http://www.youtube.com/watch?v=KbSPPFYxx3o