Which retail innovation was first introduced by IBM in 1973-1974 and revolutionized checkout systems worldwide?

The history of retail payment systems has transformed how we shop. From cash-only transactions to contactless payments, the evolution reflects changing consumer preferences and technological innovation. This trivia question explores a pivotal moment in retail payment history that fundamentally changed the shopping experience. Test your knowledge about the origins of a payment innovation that we now take for granted!

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• The UPC barcode scanner system
• The first credit card magnetic stripe reader
• The electronic cash register (ECR)
• The automated teller machine (ATM) for in-store use

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