Geek Fact for June 26th

In 1974, the first UPC bar code reader was used.

At a Marsh supermarket in Troy, Ohio, a laser beam in an NCR checkout terminal with a bar code reader read the UPC bar code symbol on a pack of Wrigley’s chewing gum and automatically rang up the purchase.

Learn more at http://www.barcodesymbols.com/history.htm

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