Which innovative transportation company was the first to use 'open source' as a marketing strategy, releasing a 58-page white paper allowing anyone to build and improve on their high-speed transit concept?

The transportation industry has seen revolutionary marketing campaigns for breakthrough technologies. One particularly notable campaign captured global imagination despite the product still being in development. Test your knowledge about how emerging transportation technologies are marketed and positioned to the public, investors, and potential users before they're fully operational.

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SpaceX/Tesla (Elon Musk's Hyperloop)
Virgin (Brightline high-speed rail)
Uber (flying taxis/Uber Elevate)
Waymo (autonomous vehicle technology)