We've covered this territory once before in an earlier blog entry; however, Facebook keeps evolving and with it the need to defend your privacy.
Disconnect makes the web more private,
less cluttered, faster, and
safer. It adds privacy to your FB, Twitter and Google accounts, and includes Wi-Fi security.
While Privacyfix allows you to
check your privacy settings across Facebook, Google and the other
websites, and fix them with a single
click.