I think app.net (https://en.wikipedia.org/wiki/App.net https://en.wikipedia.org/wiki/App.net) tried that approach and failed to get traction. I view it kind of

I think app.net (https://en.wikipedia.org/wiki/App.net https://en.wikipedia.org/wiki/App.net) tried that approach and failed to get traction. I view it kind of like Craigslist. If I put something there for free tons of people are interested. If I charge even a dollar the interest drops by a magnitude.