Dec 30, 2012


When Joseph Woodland, who died in December 2012, was a master's student, he was sitting on a beach in his grandfather's property thinking about how to encode information about products. He was doodling in the sand, when he happened to see he had made four lines in the sand.

What, dubbed the "Universal Product Code", would he eventually be the father of?

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This day last year: Q.456


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