Turns running free services is expensive with often little reward. And since essentially the only way to do micropayments currently is with ads, any platform th

Turns running free services is expensive with often little reward. And since essentially the only way to do micropayments currently is with ads, any platform that can't effectively deliver ads essential can't survive. Until users are willing to pay for web services, and provided an easy way to do so, there are a lot of cool things that will remain unsustainable.