Wanna invest like Buffett? There's an app for that

iBillionaire, which launched Wednesday, tracks what Warren Buffett, Carl Icahn, Bill Ackman and other financial titans are buying and selling. The app also comes with a Google news feed that automatically updates news about the billionaires and the stocks they own. Currently the app only tracks data back to 2009 but the next version will go back to 2002. There's a free preview of the app. The full version costs $4.99.