Which invention, first used commercially in 1974 at a supermarket in Ohio, revolutionized retail by enabling automated checkout and inventory systems?

In the world of retail, technological innovations have repeatedly transformed how consumers shop and how businesses operate. One particular invention in the 1970s revolutionized the entire retail industry by allowing for automated product identification and inventory tracking. This innovation paved the way for modern e-commerce systems, supply chain management, and the omnichannel retail experiences we know today. Test your knowledge about this groundbreaking retail technology that bridged the physical and digital retail worlds.

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Universal Product Code (UPC) barcode
Electronic Article Surveillance (EAS) tags
Point of Sale (POS) terminals
Electronic Fund Transfer (EFT) system