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Privacy What Developers and IT Professionals Should Know by J. C. Cannon

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Radio Frequency Identification (RFID) Tags

The RFID tag, also known as the smart tag or the RFID chip, is a small electronic device that contains a microchip. When activated by a signal from a scanning device, it emits a unique 64-bit or 32-bit code that can be used to not only tell the operator the type of object being scanned, but also the specific one being scanned, where and when it was manufactured, and the route it took to arrive at the store. Of course this requires support from a distributed back end that first registers the device and then tracks its movements from creation to purchase (and maybe on to destruction).

The technology behind these tags is not a new one. The technology was first used during World War II to identify friendly ...

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