Sophos: "Your phone number may not be as private on Facebook as you think - and how to fix it"

From Sophos.. another good reason not to use Facebook.

So, as well as leaking email addresses through a reverse lookup, Facebook also does a reverse lookup for telephone numbers. What could possibly go wrong?

Well, until somebody figures out how to write a script to harvest the phone numbers automatically, that is..

Added: oh look, somebody did it already.