Hello,
If you're using the rfacebook gem I invite you to let us know about your Facebook app on the rfacebook questions & answers mailing list/ forum @ http://groups.google.com/group/rfacebook
I will spotlight your Facebook applications in a new monthly rfacebook Sightings series on the rfacebook questions & answers site @
Cheers.
Gerald
PS: Two Facebook success stories out of Vancouver, B.C. (in the Great White North up in Canada) in Ruby on Rails using the rfacebook gem include Hockey Pool and Are You Normal? More @ http://bestwest.wordpress.com/2007/12/06/analytics