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The 40th anniversary of the bar code

Concept from 1948 had to wait for technology to catch up
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Image source: barcoderobot.com Even in back in the 1940s, grocery stores faced a cumbersome, time consuming task: inventory. One grocer’s plea to Drexel University for a solution led a student to design a crude, but effective optical scanning system in 1948. RCA and IBM played with the idea later …