Microchips in Humans: High-Tech Helpers, or Big Brother's Surveillance Tools?
 

*Source: AP (http://hosted.ap.org/dynamic/stories...TE= DEFAULT)*
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CityWatcher.com, a provider of surveillance equipment, attracted little notice itself - until a year ago, when two of its employees had glass-encapsulated microchips with miniature antennas embedded in their forearms.

The "chipping" of two workers with RFIDs - radio frequency identification tags as long as two grains of rice, as thick as a toothpick - was merely a way of restricting access to vaults that held sensitive data and images for police departments, a layer of security beyond key cards and clearance codes, the company said.

"To protect high-end secure data, you use more sophisticated techniques," Sean Darks, chief executive of the Cincinnati-based company, said. He compared chip implants to retina scans or fingerprinting. "There's a reader outside the door; you walk up to the reader, put your arm under it, and it opens the door."

Innocuous? Maybe.

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