It seems there's been a lot of fuss about gmail and google. Here are some links.

http://www.gmail-is-too-creepy.com/

http://www.google-watch.org/

http://www.scroogle.org/gscrape.html#ffox

http://www.gmail-is-too-creepy.com/gcook.html

http://www.privacyrights.org/ar/GmailLetter.htm

http://www.gmail-is-too-creepy.com/cgi-bin/sergey.htm

http://www.epic.org/privacy/gmail/faq.html