Quitting Facebook

There were a couple of articles in the New York Times talking about how it's difficult to remove all of your information from Facebook.
How sticky is membership on Facebook?
Quitting Facebook

It mentions how this is a problem for privacy and security. If someone joins and then decides to leave because they don't want others to see their private information. (They use an example of someone who doesn't want their co-workers to see their info.)
But it sounds like FaceBook is working on making it easier to wipe your information when you quit.