Which country first implemented large-scale 'smart shelf' technology that uses weight sensors and RFID to automatically track inventory across major grocery chains?

Test your knowledge about how retail technology has been uniquely implemented in different geographic regions! The global retail landscape varies dramatically by location, with technological adoption reflecting local cultural preferences, infrastructure, and consumer behaviors. Some regions pioneer specific retail technologies while others adapt them in innovative ways that reflect their unique market conditions.

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Japan
United States
Germany
South Korea