I don't think you can trust Google with your chat and docs as well.

From:http://www.wired.com/threatlevel/2010/09/google-spy/

>Google acknowledged Wednesday that two employees have been terminated after being caught in separate incidents allegedly spying on user e-mails and chats.

>David Barksdale, 27, was fired in July after he reportedly accessed the communications of at least four minors with Google accounts, spying on Google Voice call logs, chat transcripts and contact lists, according to Gawker, which broke the story Wednesday.

http://gawker.com/5637234/gcreep-google-engineer-stalked-tee...