See, Google Cares About Your Privacy.

...at least in the most practical and personal sense. Of course, I have often and loudly praised Google for farming and storing all my information, so that I never need to remember another address, flight reservation, or pretty much anything ever again. But some people are not so into it, due to privacy concerns, particularly after numerous actual Identities were ascertained from AOL's massive cache of anonymous data. I occasionally think of that when, say, Googling my latest hypochondriac fear or searching on something embarrassing, but it's a price I am still willing to pay because I get so much benefit.

That said, Google introduced a new feature today that will help with more immediate, logistical privacy concerns - do you wonder if your ex still remembers you use "fluffycakes" as the password for every account you have? Is the "keep me logged in" cookie still set at your old job, giving your replacement hours of entertainment while following your personal drama? Well, now you can find out and log them out remotely (and maybe think about changing that insecure password) with the new Activity Log and Remote Sign Out. Right on, Google.