Which retail technology innovation, first commercially used in 1974 at a Marsh Supermarket, led to estimated annual cost savings of over $17 billion in the grocery industry alone?

In the world of retail, technological innovations have dramatically transformed how businesses track and manage inventory. One particular technology revolutionized retail operations by enabling automatic data capture, dramatically reducing human error, and speeding up checkout processes. This innovation changed supply chain management forever and has become ubiquitous in modern retail. Test your knowledge about this game-changing retail technology!

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RFID (Radio-Frequency Identification) tags
Universal Product Code (UPC) barcode system
Electronic shelf labels (ESLs)
NFC (Near Field Communication) payment systems