I was too late, I guess. (But I suspect I wouldn't have completed it anyway as giving a Facebook app permission is a lot like "registration" and I am suspicious of all Facebook apps' violating my privacy)
It's their answering machine. You can leave a message like "Pamela Anderson is soooooooooo HAWT!!!" and get it played in the sound bites. I called to complain about the nepotism in the first ad, but that's because I have a lot of free time.