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

The way we shop has dramatically evolved through technological innovations. Among the most impactful retail technologies of recent decades is the self-checkout system, which transformed the customer experience by reducing wait times and giving shoppers more control over their transaction. This poll tests your knowledge about this significant retail technology advancement that has now become ubiquitous in stores worldwide.

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1992
1986
2001
1978