If you've imported your Facebook contacts into the Mac OS X Address Book application you may have noticed that these contacts sometimes have a special "Homepage" address that looks something like this:
These links seem like they should take you to a Facebook profile, but when you click on them nothing happens. The problem is that Mac OS X doesn't know how to handle FB:// links so it ignores them.
FBHandler is a tiny faceless background application to make these Facebook profile links clickable.
What is new in this release:
Version 2.0.1 fixes the auto-launch menu option's behavior.