I did not consider the possibility that those willing to pay might be the most valuable users, but that might very well be the case. That does sort of leave th

I did not consider the possibility that those willing to pay might be the most valuable users, but that might very well be the case. That does sort of leave the whole business model with a problem where Facebook is an unnecessary middle man for customers who where willing to buy your product anyway. The more you think about it the weirder the model of ad supported services becomes. There is a set of service that is valuable, but not to an extend where we'd want to pay for it.