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A barcode is a way of storing numbers printed in a way that a computer can easily read. The first barcodes stored the numbers using lines (bars).
The first use of barcodes was to label railroad rolling stock. They became a big success when they were used in supermarket checkout systems. The first product that used a barcode was a pack of Wrigley's Juicy Fruit Gum sold on June 26, 1974.[1] It was invented by IBM engineer George J. Laurer. Barcodes are now used for many purposes.
- ↑ Fox, Margalit (16 June 2011). "Alan Haberman". The New York Times. Retrieved 2013-02-10.