Which retail technology innovation was first widely adopted by major international airports to reduce passenger dwell time and increase spending in 2015?

The transportation industry has significantly transformed its retail approach over the years, particularly in how travelers shop while on the move. From airport terminals to train stations, retail technology has revolutionized the passenger shopping experience. This poll tests your knowledge about a groundbreaking retail technology advancement that changed how transportation hubs approach consumer engagement and convenience.

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Mobile order-ahead apps with gate delivery
Automated grab-and-go stores with RFID checkout
Virtual reality shopping walls with QR code purchasing
AI-powered personalized digital shopping assistants