Barcode turns 50 but its days might be numbered

As the barcode celebrates its birthday on Monday, its days might be numbered as it faces competition from the younger QR code, the information-filled squares used in smartphones. | AFP

The barcode not only identifies a product, but “gives professionals in stores access to other functionalities,” said Laurence Vallana, head of France de SES-Imagotag, a company that specializes in electronic tagging.Barcodes were initially patented by Norman Joseph Woodland and Bernard Silver in the United States in 1952.

On April 3, 1973, the standard to identify products was agreed by a number of large retailers and food companies. On June 26 the following year, in the US state of Ohio, the first product was scanned—a pack of chewing gum that is now in the National Museum of American History in Washington. Developed in 1994, QR codes can hold much more information as they are read both horizontally, like barcodes, and vertically.

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