We speak with Liz McIntyre, author of “Spychips: How Major Corporations and Government Plan to Track your Every Move with RFID” that examines radio frequency identification–a technology that uses tiny computer chips to track items at distance. Major corporations are working right now to install RFIDs on all consumer products. What about in you arm? Or in your kids? We also speak with freelance journalist Annalee Newitz who recently had an RFID implanted in her arm. [includes rush transcript]