It's part search/discovery part social, and is trying to solve the problem that all the opinions shared in places like Twitter/Facebook aren't preserved, aggregated or made useful outside of the social graph.
We organize opinions around topics, make people weigh in on topics with a binary rating system (cheer or boo) and use the cheers/boos to give each topic a "RottenTomatoes-style" score. Let us know your thoughts - we love feedback.