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

The retail landscape has been transformed by numerous technological innovations that enhance customer experience and operational efficiency. One of the most significant developments in recent decades has been the introduction of self-checkout systems, which have fundamentally changed how customers interact with retailers. This poll tests your knowledge about the origins of this transformative retail technology that has now become ubiquitous in stores worldwide.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

1992, at Kroger in Atlanta, Georgia
1987, at Sainsbury's in London, England
1998, at Walmart in Bentonville, Arkansas
2001, at Carrefour in Paris, France