And that's exactly what we're discussing: a rumour. You're right that this may prove to be completely out to lunch. If so, I'll eat my hat.

That said, Facebook is, for better or worse, the biggest thing this industry has seen in a while. So that fact these rumours are being discussed in earnest, rather than "Facebook is still on such an insane revenue growth path that anyone who claims otherwise is an idiot" is substantial.