Klout (http://www.klout.com) is a social media analytics company which measures each individual's influences on the social network. Once a user registers his/her account of social network services such as Facebook, twitter, linkedin, etc., Klout collects data from the services and calculate "Klout Score", which varies from 1 to 100.
As the President Obama won the 2008's election by tapping into social media and analyzing social data, experts emphasize analytics of big data in the coming presidential election. During the 08's election, the Obama team dived into various online social channels such as Facebook, Twitter, and Youtube, and collected user data to develop online campaign strategy. The result proved the effectiveness of the data efforts.