Edward Snowden's phone case will tell you if you're being tracked

Edward Snowden stepped into the world of product design Thursday as he unveiled a concept for a new phone case that can detect when the device's radio is transmitting.

He presented the design for the case, which wires into the iPhone's interior workings via the SIM slot to monitor electrical signals sent to its internal antennas, at the MIT Media Lab's Forbidden Research event with hardware hacker Andrew "Bunnie" Huang. 

The new case, which is still at concept stage, is designed for front-line journalists who wish to conceal their location. However, Snowden hopes the device will eventually serve another purpose: exposing hidden government surveillance of smartphones. Read more...