Which inventory tracking technology, first used commercially in retail in 1974, revolutionized inventory management and is considered the predecessor to modern systems?

Before computerized systems revolutionized retail, inventory management was a complex manual process. In the 20th century, one technology fundamentally transformed how retailers tracked their stock, leading to the modern inventory systems we know today. This innovation reduced errors, improved efficiency, and laid the groundwork for just-in-time inventory practices that are standard today. Test your knowledge of this pivotal development in retail history!

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Universal Product Code (UPC) barcode scanning
Punch card inventory system
Magnetic stripe inventory cards
Radio-frequency identification (RFID) tags