[samgro]

I think it could be interesting for another startup founder in some niche area to find community websites in their niche. Is that the target audience? If so it's a really small niche that's probably not going to pay you a whole lot.

Also, calling it a "social network" search engine is misleading. Twitter and Facebook are social networks; the other 898 are online communities around special interests.

I'd think long and hard about what problem you are solving, and sell the benefits rather than the features on your homepage. Watch this video from the Instagram founders: http://ecorner.stanford.edu/authorMaterialInfo.html?mid=2738

My gut reaction is that this is a solution looking for a problem.