Consumer privacy experts Katherine Albrecht and Liz McIntyre are two prominent critics of the "spychip" technology. Somatic Surveillance:

The RFID chip will make individual player information accessible to the public. Smart Card Alliance. Minyanville Financial Media.

RSA Laboratories. There is controversy regarding human applications of implantable RFID technology including concerns that individuals could potentially be tracked by carrying an identifier unique to them. Mobile readers may be handheld or mounted on carts or vehicles.