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

Self-checkout technology revolutionized the retail customer journey by reducing wait times and giving shoppers more control over their purchase experience. This innovation has transformed how customers interact with stores, but do you know when this retail technology first made its appearance in the commercial world? Test your knowledge about this significant milestone in retail innovation history!

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1992, at Price Chopper in New York
1984, at Walmart in Arkansas
2001, at Tesco in the United Kingdom
1978, at Sears in Chicago