By Jon Williams View In Digital Edition
Okay, what’s going on with the card? You’ve probably seen them — they’re everywhere. The cards in question contain technology called radio frequency identification (RFID). Even if you haven’t heard of RFID, you may have been unknowingly exposed to it. RFID tags can be as small and nearly as thin as a postage stamp and are often used to track package movement in retail stores (big companies like Wal-Mart, Target, and others are adopting the technology). Drug companies are even putting RFID tags i
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