Which retail technology, first commercially successful in the 1970s, used parallel black bars to revolutionize checkout and inventory management?

Test your knowledge about a pivotal moment in retail history that transformed how we shop! The introduction of this revolutionary technology in the 1970s fundamentally changed the retail landscape, creating efficiencies we now take for granted. This innovation paved the way for modern inventory management, pricing strategies, and customer data collection that powers today's retail analytics. How much do you know about this retail game-changer?

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Universal Product Code (UPC) barcode system
Electronic shelf labels (ESL)
Radio-frequency identification (RFID) tags
Electronic point-of-sale (EPOS) touchscreens