Internet of Things 12: Body electric (part 2)

Devices invading our bodies may sound frightening, but not to those who depend upon them to keep their blood sugars steady and their hearts beating. Still, just as surely as rfid tags used to pay road tolls and the gps on our smart phones have provided records of our travels to third parties (like advertisers and governments), our medical data will be stored beyond our reach, aggregated, and possibly commoditized.