"What if your boss asked you to have a chip implanted in your arm? Would you do it? What if it meant getting a higher salary? ... In the last few years people have begun to have tags planted in themselves--a move that could have serious repercussions for our privacy and freedom."Radio Frequency Identification (RFID) tags can be used to pinpoint the physical location of whatever the tags are embedded in
Update (28/2/07): The article can now be found here.