It seems that the payment processing and virality would be the two draws of doing it this way. 30 facebook credits is $3. And I guess if I watch it, it tells al

It seems that the payment processing and virality would be the two draws of doing it this way. 30 facebook credits is $3. And I guess if I watch it, it tells all my friends? It's an interesting test, and I can see people building real apps like a Netflix competitor on top of facebook's infrastructure. I can't imagine it will work as a facebook app - the way the Dark Knight is built.