Which transportation company pioneered the first fully automated, checkout-free retail stores inside train stations, using computer vision and AI similar to Amazon Go?

The transportation industry has seen remarkable retail innovations in recent years, particularly in how passengers shop while in transit. Transit hubs and vehicles are becoming sophisticated retail environments with technologies that mirror developments in traditional retail. This poll tests your knowledge about a groundbreaking transit retail innovation that changed how commuters shop on the go.

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Deutsche Bahn (Germany) with their 'DB Express Shop'
SNCF (France) with their 'TGV Market'
JR East (Japan) with their 'Smart Station' stores
Transport for London with their 'Tube Shop' concept