Which retail payment innovation, invented in 1974 by IBM, revolutionized checkout efficiency by automatically identifying products without manual price entry?

The way we pay for products has evolved dramatically over decades, transforming the retail experience. From manual cash registers to contactless payments, each innovation has accelerated commerce and changed consumer behavior. This trivia question explores a pivotal moment in retail payment history that fundamentally altered how businesses process transactions and gather customer data.

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• Universal Product Code (UPC) barcode scanning
• RFID (Radio-Frequency Identification) tag reading
• Electronic signature capture pads
• Magnetic stripe card readers

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