Which country pioneered the use of 'Unmanned Convenience Stores' that use facial recognition technology and IoT sensors to create fully automated shopping experiences with no human staff?

In today's globalized retail landscape, companies are adopting region-specific technologies to enhance shopping experiences. This poll tests your knowledge of how retail innovations are being deployed differently across global markets. Understanding these geographic variations in retail technology adoption can provide valuable insights into consumer behavior patterns and regional market dynamics.

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China (with initiatives like BingoBox and Alibaba's Hema)
Japan (with initiatives like Family Mart's Smart Store)
South Korea (with initiatives like 7-Eleven's Smart Convenience Store)
United States (with initiatives like Amazon Go)