In what year was the world's first commercial self-checkout system installed in a retail store?

Retail technology has transformed how we shop over the decades. One innovation that dramatically changed the in-store experience is the self-checkout system. This technology reduced wait times, changed staffing needs, and created a new type of customer experience. But do you know when this retail revolution first appeared in stores? Test your knowledge about this significant milestone in retail innovation history!

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1992
1986
2001
1978