A Bar Code Scanner That Leaves The Fingers Free

As anyone who has visited a supermarket knows, bar-coding is ubiquitous. It seems the tiny black-and-white lines are imprinted on every product, signifying identification numbers that can help manufacturers, distributors, and retailers better manage factory production, sales, and inventories. Now, a company in Webster, N.Y., has come up with a particularly small bar-code scanner that gives workers more freedom of movement than ever.

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