Which major transportation hub was the first to implement fully automated, grab-and-go retail stores with no checkout required (using computer vision and sensor fusion technology)?

The transportation retail sector has undergone significant changes in recent years, particularly in how passengers make purchases at transit hubs, airports, and train stations. One major innovation has transformed the customer experience by reducing wait times and streamlining the shopping process. Test your knowledge about this retail innovation that has changed how travelers shop on the go!

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• Newark Liberty International Airport (2018)
• Chicago O'Hare International Airport (2019)
• San Francisco International Airport (2020)
• London Heathrow Airport (2021)

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