Which of these retail technology inventions was first patented in 1951 by J. Woodland and B. Silver, but didn't see widespread adoption until the 1970s?

The retail industry has been transformed by numerous technological inventions and discoveries throughout history. From simple mechanical devices to sophisticated digital systems, these innovations have revolutionized how we shop and how merchants sell. This trivia question focuses on a pivotal technological advancement that fundamentally changed retail operations worldwide and set the foundation for today's modern shopping experience.

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• The barcode scanner and Universal Product Code (UPC)
• The electronic point-of-sale (EPOS) system
• The automated teller machine (ATM)
• The electronic anti-theft security tag

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