Which retail innovation was first introduced in transportation hubs to revolutionize the traditional shopping experience for travelers?

The transportation industry is constantly evolving with innovative retail concepts to enhance passenger experience. From airports to train stations, retail spaces within transportation hubs are transforming how travelers shop on the go. Test your knowledge about one groundbreaking retail innovation that changed how we shop while traveling!

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Virtual shopping walls where travelers can scan QR codes to purchase items for delivery to their destination
Automated retail pods that move throughout transportation hubs to meet travelers where they are waiting
Biometric payment systems allowing travelers to pay with facial recognition while rushing to their gates
Holographic product displays enabling travelers to interact with 3D versions of products before purchase