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.

HydroSpin developed micro-generators that use the flow of water within pipelines to develop electricity. The power generated is then used for monitors and devices that detect leakages or bursts.

Friends from an elite army intelligence unit have created a smart-phone application that compresses data received by the device, which could lead to a large reduction on your next phone bill.