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Last Updated: October 19, 2026
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In 1974, a small pack of chewing gum became the first retail product scanned using a Have you ever wondered how a few black lines Build your website for 10% off over at squarespace.com/HAI Get a Half as Interesting t-shirt: bit.ly/2xjHuw4 Suggest a ... Those black lines on your groceries usually don't contain the price. So what is the scanner actually reading? In 1974, a packet of ... Every time you buy something at the store or scan a QR A pack of chewing gum became the first retail UPC purchase in 1974. But the story behind that beep began decades earlier—with ... Ever wondered what really happens when a You are probably familiar with the black & white square-shaped
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