content: If only. But you would have the same issue as any IP seller: One guy will buy your data for $10 and then resell to 20 companies for $1. Besides, nobody would pay for self-reported data, there's too much incentive to make it up. They'd go to facebook anyway. And besides, if you really wanted to make money from your data, the way to do it right now is to fill surveys on mechanical turk.