From Google's privacy policy, they anonymize IP addresses after 9 months, and strip out any cookie information after 18 months. So I don't think many of the aut

From Google's privacy policy, they anonymize IP addresses after 9 months, and strip out any cookie information after 18 months. So I don't think many of the author's claims actually stand up. http://www.google.com/policies/privacy/faq/#toc-store http://www.google.com/policies/privacy/faq/#toc-store