Borg me now, baby! The Nazis used tatoo numbers to track their worker bees. RFID's weren't available then. A company in Cincinnati now requires employees to use implanted RFID tags to enter a secure data center. Two employees have knuckled under so far.
It's not just wacko leftoids like yours truly who see a possible problem here.
"While Christians have theological reasons to reject being uniquely numbered, this is an issue that should concern anyone who values privacy and civil liberties," said Albrecht. "The VeriChip is Big Brother technology being unscrupulously marketed by a company that would like to put a chip in every one of us. It has no place on free American soil." Albrecht and her coauthor McIntyre are Christians who object to being chipped on religious grounds. But Albrecht does have a Harvard connection so perhaps we should take this with a grain of salt.
More discussion here.