With a wave of his hand, Amal Graafstra, a 29-year-old entrepreneur based in Vancouver, Canada, opens his front door. With another, he logs onto his computer. Tiny radio frequency identification (RFID) computer chips inserted into Graafstra's hands make it all possible. The computer chips, which cost about $2, interact with a device installed in computers and other electronics. The chips are activated when they come within 3 inches of a so-called reader, which scans the data on the chips. The reader" devices are available for as little as $50. Graafstra said at least 20 of his tech-savvy pals have RFID implants. "I can't feel it at all. It doesn't impede me. It doesn't hurt at all. I almost can't tell it's there," agreed Jennifer Tomblin, a 23-year-old marketing student and Graafstra's girlfriend. Mikey Sklar, a 28-year-old Brooklyn resident, said, "It does give you some sort of power of 'Abracadabra,' of making doors open and passwords enter just by a wave of your hand." The RFID chip in Sklar's hand, which is smaller than a grain of rice and can last up to 100 years, was injected by a surgeon in Los Angeles.
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