Which groundbreaking retail technology was invented by Bernard Silver and Norman Joseph Woodland in 1949, but didn't see widespread commercial use until the 1970s?

The retail landscape has been transformed by technological innovations over the decades. Some inventions we now take for granted were once revolutionary breakthroughs that fundamentally changed how we shop. Test your knowledge about the origins of retail technology that shaped modern commerce and consumer experiences. Do you know which inventions came first and who pioneered them?

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Barcode/UPC scanning system
Electronic point-of-sale terminal (EPOS)
RFID inventory tracking
Self-checkout kiosk