2 Workers Have Chips Embedded Into Them

CINCINNATI -- Tiny silicon chips were embedded into two workers who volunteered to help test the tagging technology at a surveillance equipment company, an official said Monday.

The Mexico attorney general's office implanted the so-called RFIDs - for radio frequency identification chips - in some employees in 2004 to restrict access to secure areas. Implanting them in the workers at CityWatcher.com is believed to be the first use of the technology in living humans in the United States.

Sean Darks, chief executive of the company, also had one of the chips embedded.

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