Which product innovation, introduced in the early 1970s, revolutionized grocery store inventory management and is now used on virtually all packaged food products globally?

The food retail landscape is constantly evolving with technological innovations to enhance customer experience and operational efficiency. One particular innovation revolutionized inventory management and dramatically reduced checkout times across supermarkets worldwide. Test your knowledge about this game-changing retail technology that transformed how we shop for groceries.

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Universal Product Code (UPC) barcode
Electronic shelf labels (ESL)
Radio-frequency identification (RFID) tags
Automated inventory robots