Which point-of-sale innovation was FIRST widely implemented in major transportation hubs to reduce checkout times by over 70% for travelers?

The transportation industry has undergone significant transformation in how passengers make purchases during their journeys. From airports to train stations, point-of-sale (POS) systems have evolved dramatically to enhance the traveler experience. This poll tests your knowledge about a groundbreaking POS innovation that changed how we shop while on the move. Can you identify the correct technological advancement that revolutionized retail in transportation hubs?

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