MANY USES FOR PRINTED COMPONENTS AND TRANSPARENT ANTENNAS: “IEEE members at Drexel University, in Philadelphia, are developing transparent antennas that can be customized along with inkjet-printable RF components to form circuits applicable to all sorts of things. These include tracking military troop movements, monitoring health conditions, preventing shoplifting, and warning of impending car collisions.”

And, embedded in your clothing without your knowledge, tracking you. Think about it.