https://www.engadget.com/2006-12-12-ohio-hotel-to-implement-rfid-room-key-wriststraps.html
Ohio hotel to implement RFID room-key wriststraps
Dec 12, 2006 - Well, if RFID is good enough for passports and credit cards, then it must certainly be good enough for hotel rooms, right? Apparently that's the logic at the...
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