Which groundbreaking payment technology was invented by IBM in 1973 but didn't see widespread retail adoption until the 1980s?

The way we pay for products has evolved dramatically throughout history. From bartering systems to digital wallets, payment methods reflect technological advancement and changing consumer needs. This trivia question explores a pivotal moment in retail payment history that revolutionized how people shop. Test your knowledge about this game-changing invention that transformed retail transactions forever!

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Universal Product Code (UPC) barcode scanning
PIN-based debit card system
Electronic signature capture pad
Automated Teller Machine (ATM) technology