Which transportation company first introduced mobile ticketing that allowed passengers to purchase, store, and validate tickets entirely through a smartphone app without physical tickets?

The transportation industry has undergone significant digital transformation in recent years, with various e-commerce platforms revolutionizing how people book travel, track shipments, and access transportation services. Test your knowledge about a groundbreaking development in transportation retail that changed how millions of people purchase transit tickets.

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Masabi (with their JustRide platform launched for Boston's MBTA in 2012)
Uber (with their UberTIX feature in 2015)
Deutsche Bahn (with their Touch&Travel app in 2011)
Amtrak (with their eTicketing system in 2013)