Which retail innovation was first used commercially in 1974 at an Ohio supermarket when a pack of Wrigley's chewing gum became the first product scanned with this technology?

In the world of retail inventions and discoveries, certain technologies have fundamentally transformed how we shop. One particular innovation revolutionized inventory management, pricing consistency, and checkout speed across the globe. This innovation emerged from a need to track products more efficiently and has since become ubiquitous in nearly every retail environment. Test your knowledge about this game-changing retail technology!

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Universal Product Code (UPC) barcode system
Electronic Article Surveillance (EAS) anti-theft tags
RFID (Radio-Frequency Identification) chips
Digital price display tags