Tracking our Every Move
A new tracking system called Auto-ID uses highly miniaturized computers to track products, even when they’re being used and worn. Every physical item, from a can of Coke to clothes to toothpaste, will have its own unique information in the form of an embedded chip. The chip sends out a signal that allows it to communicate with reader devices. Auto-ID will eventually replace bar codes, because it not only identifies the kind of object?it identifies each object separately. You and your friend may have bought the same sweater at the same store, but you’ll each be wearing a different Auto-ID.
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