The Invisible Invention That Changed Buying Forever

The modern grocery shopping experience was permanently altered at a supermarket in Troy, Ohio. Cashier Sharon Buchanan pulled a 10-pack of Wrigley’s Juicy Fruit chewing gum across a primitive laser scanner, reading a black-and-white grid called the Universal Product Code. This single mechanical beep marked the death of manual price tagging and launched the age of automated inventory, massive corporate logistics, and corporate efficiency tracking across global retail. #historyfacts #technology #70sstyle #retro #shorts