Deciphering the code: radio frequency ID tags could reveal when, where products were bought. (Photo & Digital Retailing).

Photo Marketing, November, 2002 by Beer, Ken

Imagine being able to verify when and where a customer purchased a returned camera--even if a receipt isn't presented. This knowledge could help retailers not only determine whether or not they must refund the customer (they might learn the customer purchased the camera someplace else), but also resolve warranty disputes if there's no way of establishing the equipment's age. Having this vital information at their fingertips could avoid disputes at the counter, keeping both sides happy and ensuring a repeat customer. This scenario could play itself out one day, should a technological concept being tested in its developmental stages prove successful.

The Auto-ID Center (automatic identification), a nonprofit, industry-funded, global research arm of the...

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