Which innovative transportation product launch involved a secretive 'Project Titan' development phase that lasted nearly a decade before its official unveiling?

The transportation industry has seen numerous groundbreaking product launches that have transformed how we move from place to place. From innovative electric vehicles to revolutionary ride-sharing platforms, successful product launches in transportation require careful planning, perfect timing, and strategic marketing. Test your knowledge about one of the most significant transportation product launches in recent history!

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Tesla's Autopilot self-driving system
Apple's autonomous vehicle platform
Uber's flying taxi service
Hyperloop One's vacuum tube transport system