> I also do not stay logged in to facebook so the link tracking is also 
  > nearly useless.

Facebook already got caught leaving trackable info behind even after logout; they still do some tracking. I personally do not believe Facebook will always continue to voluntarily not track me just because I logged out.

http://www.nikcub.com/posts/facebook-fixes-logout-issue-expl...

  > They want to retain the ability to track browsers after 
  > logout for safety and spam purposes, and they want to 
  > be able to log page requests for performance reasons etc.