Which product innovation, first patented in 1949 but not widely adopted until the 1970s, revolutionized retail inventory management and checkout systems?

Test your knowledge about one of the most significant product innovations in retail history! This innovation changed how consumers shop and transformed inventory management systems worldwide. While common today, when it was first introduced, many retailers were skeptical about its effectiveness and adoption by consumers. The innovation originated in the mid-20th century but didn't see widespread adoption until decades later.

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Universal Product Code (UPC) barcode scanning
Electronic cash registers with digital displays
Credit card magnetic stripe technology
Automated inventory reordering systems