1974: A supermarket cashier scans a multipack of chewing gum across a bar-code scanner in Troy, Ohio. It's the first product ever checked out by Universal Product Code. Some readers may be unable to ...
Dayton native Paul McEnroe is credited with developing the bar code, first used in a Troy Marsh grocery store. DAYTON DAILY NEWS ARCHIVES The world's first bar code scanner is shown in operation at a ...
Universal Product Code apps for the iPhone let shoppers find additional information and perform price comparisons on products while inside a store. They also let allow an iPhone to serve as a front ...
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