Those are really good points. I think part of the problem was the initial strategy that required all accounts to be paid limited the userbase to the point that

Those are really good points. I think part of the problem was the initial strategy that required all accounts to be paid limited the userbase to the point that it wasn't worth experimenting with. I don't know how you get around that challenge of building a mass userbase, keeping the framework open and yet still being sustainable. But that's a separate challenge from what you described.