In which year was the world's first self-checkout system patented, revolutionizing retail technology and customer experience?

The retail landscape has been transformed by technological innovations that enhance customer experience and streamline operations. One of the most significant advancements was the introduction of self-checkout systems, which fundamentally changed how consumers interact with retail environments. Test your knowledge about this pivotal invention that bridged traditional shopping with the automated retail experiences we know today.

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1984 - By David R. Humble at Sensormatic Electronics
1992 - By Howard Schneider at Optimal Robotics
1997 - By IBM's Retail Solutions Division
2001 - By NCR Corporation's Retail Innovation Team