TECH: Barcoding prevalent almost everywhere! (Just kidding)

Brian Klepper writes to tell me that in today’s almanac

On this day in 1974, bar codes were first used in supermarket checkout lanes. In a Marsh’s supermarket in Troy, Ohio, the first product to be scanned was a 10-pack of Wrigley’s Juicy Fruit chewing gum. It just happened to be the first thing lifted from the cart. Today, the pack of gum is on display at the Smithsonian National Museum of American History in Washington, D.C.
Of course bar coding is used uniformly in every health care establishment now, so why would the fact that retail’s been using bar-coding for 32 years be on this blog? Oh, hang on a minute….

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