Which now-ubiquitous retail technology was accidentally invented in 1948 when an engineering student drew lines in the sand while thinking about a grocery store owner's inventory problem?

Throughout history, many groundbreaking inventions have dramatically transformed the retail landscape, often emerging from unexpected circumstances. Some of these discoveries were the result of deliberate research, while others came about entirely by accident. This trivia question focuses on a famous accidental invention that fundamentally changed how products are tracked, sold, and managed in stores worldwide. Test your knowledge of retail technology history!

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• The barcode (UPC system)
• The electronic cash register
• The shopping cart
• The self-checkout kiosk

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