I think it's got potential, but you should work on your design and copy. It wasn't obvious to me at all why I should use it over instead of one of the many pop

I think it's got potential, but you should work on your design and copy. It wasn't obvious to me at all why I should use it over instead of one of the many popular "social news" sites. For inspiration, take a look at what 37signals does with their products. When you've got a startup that essentially revolves around one improvement on what vast numbers of competitors are already doing, you've got to make it blindingly obvious what I'm gaining by using your app.