World Data Atlas. World and regional statistics, national data, maps, rankings. 370M+timeseries: 960+topics: 900+sources: Take a look at data coverage matrix by country or topic to see the full picture!
The Klout Score is the measurement of your overall online influence.
"Klout is turning Twitter into a game. As you tweet and connect with other Twitter users, you earn badges for notable achievements. For example, when you're mentioned by 100 unique users, or have a message retweeted by 25 people, your Klout profile gets a pretty new graphic. "