http://googlepublicpolicy.blogspot.com/2008/02/are-ip-addresses-personal.html

It is interesting that a Software Engineer is doing this blog post and not someone on the legal team.

The comments strongly disagree with the Blogger's perspectives

Posted terms of service can impact whether IP address can be collected. See hack-igations.blogspot.com/2008/01/ip-
address-privacy-and-self-defense.html