San Francisco start-up Klout want to be the official rating system of social Web.
Log into your account with Facebook, Twitter or LinkedIn, and it will calculate your score Klout - a figure that does not only consider the number of connections you but also who they are and how you engage actively with them.
Justin Bieber has Klout perfect score of 100, but you need not even 0.001% from 11.6 million followers to achieve a score Klout that will make you feel like you accomplished something. And "Perks Klout" such as gift cards and DVDs of new TV shows are sometimes handed out to influential users.
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