In what year was the world's first self-checkout system patented, revolutionizing retail customer experiences?

The retail landscape has been transformed by countless technological innovations over the decades. One of the most impactful changes to the customer experience was the introduction of self-checkout systems, which forever altered how shoppers complete their purchases. While now commonplace in stores worldwide, this technology faced significant skepticism when first introduced. Test your knowledge about this revolutionary retail innovation that changed shopping behaviors and store operations forever.

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1984
1992
1997
2001