Editor Saahil Desai walks us through the surprising history of the barcode, from its origins in the grocery business to its role in remaking our consumer habits and appetites. The bar code allowed grocers to stock infinite varieties of everything, which led us to expect infinite varieties and made us the shoppers we are today. Both the grocery shelves, and our inner selves, would be unrecognizable to the grocery magnates of the ‘70’s. 

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