Don't know how many of you know this, but Facebook is now open to the public. You no longer have to be a member of a school or college to sign up and set up a profile, though you still can't view profiles unless you have been "friended" by the profile owner. (A feature I like.)
Did you also know there is a Hatrack group on Facebook? It has 60 members as of this writing.
If you sign up and know me (or would like to know me better) send me a friend invite.