Which country was the first outside the United States to implement Amazon Go-style cashierless stores at scale?

Amazon Go stores revolutionized retail with their 'Just Walk Out' technology, eliminating checkout lines entirely. This innovation has sparked a global race for frictionless shopping experiences, with retailers worldwide rethinking their physical store layouts and technology integration. Test your knowledge about how this retail innovation has developed across different geographical regions and how local consumer behaviors have influenced its adoption.

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China (with Alibaba's Hema stores)
United Kingdom (with Tesco's GetGo)
Japan (with 7-Eleven's Smart Store)
Germany (with Aldi's Shop & Go)