Which retail invention, first patented in 1948 but not widely adopted until 1974, revolutionized market research by enabling automated collection of product data at checkout?

Throughout history, retail innovations have transformed how we discover, evaluate, and purchase products. From humble beginnings to AI-powered recommendation engines, the evolution of retail technology has shaped consumer behavior and expectations. This trivia question explores a pivotal moment in retail technology history that changed how we shop and how retailers understand customer preferences. Test your knowledge about this revolutionary retail invention that bridged the gap between physical products and digital data collection.

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UPC Barcode Scanner
Electronic Cash Register
RFID Tag System
Credit Card Reader