By TODD LEWAN   
  Demonstrators prepare to march against microchip implants planned for Alzheimer's patients, in front of the Alzheimer's Community Care Headquarters in West Palm Beach, Fla., May 12, 2007. March organizer Katherine Albrecht, left, said a payer before starting the march. (AP Photo/Gary I. Rothstein)  
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.
But the news that Americans had, for the first time, been injected with electronic ...   more »