Facebook finally plants a flag in Israel: Mobile analytics company Onavo has been acquired by the international social network giant for a reported $100-$200 million. As a result of the acquisition, Onavo will become Facebook's first office in Israel.

Onavo, the creator of popular data compression apps for iPhone and Android, recently launched a new app to help you track apps the most data-hungry app. Onavo Count allows you to view a 30-day history of how apps use cellular data. The app is also integrated with Onavo Extend, which compresses unencrypted data in order to help users get more from their data plan.