Surely, this would just lead to App.net being hated like the mobile carriers? Price-per-x forces users to think about how much x they use. This is only a good

Surely, this would just lead to App.net being hated like the mobile carriers? Price-per-x forces users to think about how much x they use. This is only a good idea if your users (a) need x or (b) are already hooked on x (say, by a couple of years of free x).