Which innovative marketing strategy did Virgin Hyperloop One NOT use during its initial public awareness campaign between 2016-2018?

Virgin Hyperloop One's marketing journey represents one of the most interesting case studies in transportation innovation advertising. From conceptual prototype to reality, the company's communication strategy has evolved dramatically. This poll tests your knowledge of how this groundbreaking transportation technology was marketed to investors, governments, and the public during its crucial development phase.

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Creating full-scale VR experiences allowing potential investors and government officials to 'ride' the Hyperloop before physical prototypes existed
Launching a multi-city holographic demonstration tour showing a quarter-scale Hyperloop pod 'teleporting' between venues
Releasing an augmented reality app allowing users to visualize Hyperloop stations and routes in their own cities
Partnering with Discovery Channel for a documentary series tracking the engineering challenges and technological breakthroughs