It seems like it worked well in the arcades. Back when I couldn't afford a Playstation or a TV, I could rent some time on Tekken, and even got to play it with

It seems like it worked well in the arcades. Back when I couldn't afford a Playstation or a TV, I could rent some time on Tekken, and even got to play it with my girlfriend and meet other people at the arcade. I haven't ever bought anything on Facebook, but it would really improve the profitability of these games if there was a super easy payments system there to avoid the huge hurdle of the first time someone has to get the credit card out of their wallet. Once they have the numbered stored, incremental purchases are lubricated, as in the case of iTunes, where it is very easy to make a casual $0.99 purchase.