The press is abuzz with news about RFIDs - Readio Frequency Indetifiers - that will start appearing in products in stores this fall. The article predicts that RFIDs will replace bar codes with two decades; I predict it will be a lot sooner. RFIDs allow stores and other people to track merchandise both before and after the sale. This has led to some privacy concerns: "Simply stated, I don't think most people want their clothes spying on them." Maybe. But how long before having your own RFID personal identifier becomes the essence of cool? Not long.
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