It's not tight enough yet. Sure it gives a general idea of social media focus but the feeds and data aren't exactly up to date. There are also some concerns with individuals artificially inflating their statistics. One thing I know for sure though, Klout is going to get their - they are heading in the right direction. As they integrate social media feeds and develop better algorithms for measuring the influence of one individual based upon the individuals they influence, we'll see a very powerful product.