If your information were private, then yes there would be an invasion of privacy here. However, the information is not private because you've deliberately made

If your information were private, then yes there would be an invasion of privacy here. However, the information is not private because you've deliberately made it public. By definition you can't complain about an invasion of your privacy when you've surrendered it. This is not to say that I'm a fan of Klout - quite the contrary - but to give away information and then expect to be able to control how it's used is, sadly, unrealistic. As I said, we may wish there weren't such people in the world, but there are, and we have to take responsibility for looking after our own interests rather than hoping some faceless third party will do it for us.