In which year and at which store was the world's first commercial self-checkout system installed?

Retail innovations have transformed how we shop over the decades. One of the most significant developments in retail technology has been the self-checkout system, which changed the customer experience and retail operations forever. This poll tests your knowledge about this groundbreaking retail innovation that has become ubiquitous in modern stores worldwide. Do you know when and where this technology first appeared?

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

1992 at Price Chopper in New York
1987 at Walmart in Arkansas
1998 at Tesco in London
2001 at Target in California