Which invention, first used commercially in 1974 at an Ohio supermarket, revolutionized retail by enabling automated product identification and inventory tracking?

The modern shopping experience has been transformed by numerous technological inventions and discoveries. One particular innovation revolutionized retail by allowing merchants to track inventory and process transactions more efficiently than ever before. This invention fundamentally changed how businesses operate and paved the way for modern commerce systems. Test your knowledge about this groundbreaking retail technology that emerged in the mid-20th century and has since evolved into sophisticated digital systems.

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UPC Barcode System
Credit Card Magnetic Stripe
Electronic Cash Register (ECR)
RFID Tag Technology