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The Scary Side of RFID

Radio frequency identification devices (RFID) are amazing if you're Wal-Mart trying to keep track of thousands of pairs of Wrangler cargo pants, cheap TVs and copies of the National Enquirer.

But with RFID devices getting smaller and smaller, there is also the potential for abuse. Previously small enough to embed under one's skin, Hitachi now has RFID tags so small you can barely seem 'em. While this may prompt fears of RFID tags stuck secretly in your hair, skin, or on your clothes, the antenna needed to make it work is a monster -- over a sixth of an inch!

Posted by Doug Barney on 03/01/2007 at 1:15 PM


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