http://news.com.com/Human+chips+more+than+skin-deep/2009-7337_3-5318076.html:
Michael Kanellos
"There's not a lot of middle ground on the subject of implanting electronic identification chips in humans. Advocates of technologies like radio frequency identification tags say their potentially life-saving benefits far outweigh any Orwellian concerns about privacy. RFID tags sewn into clothing or even embedded under people's skin could curb identity theft, help identify disaster victims and improve medical care, they say. Critics however, say such technologies would make it easier for government agencies to track a person's every movement and allow widespread invasion of privacy. "