Barcode
50 Things That Made the Modern Economy
How vast mega-stores emerged with the help of a design originally drawn in the sand in 1948 by Joseph Woodland as he sat on a Florida beach, observing the furrows left behind, an idea came to him which would – eventually – become the barcode. This now ubiquitous stamp, found on virtually every product, was designed to make it easier for retailers to automate the process of recording sales. But, as Tim Harford explains, its impact would prove to be far greater than that. The barcode changed the balance of power between large and small retailers.
(Image: Barcode with red laser line, Credit: Jamie Cross/Shutterstock)
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