Last week a new community popped up here on HN with the story of how the creator made 5.000$ for the first month, it seemed most users where happy about it and had some nice feedback. I wouldn't pay for it but the first 100 spots were free to attract good people and solve the 2-sided marketplace egg and chicken problem.

hn thread: https://news.ycombinator.com/item?id=25219924