Which innovative marketing strategy did Hyperloop One use in 2017 that revolutionized transportation technology promotion?

Test your knowledge about innovative digital marketing strategies in the transportation industry! The transportation sector has undergone significant digital transformation in recent years, with companies leveraging creative advertising approaches to promote new mobility solutions. This poll focuses on how emerging transportation technologies have been marketed to the public and investors through digital channels and social media campaigns.

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Virtual reality simulations allowing potential investors and the public to 'experience' Hyperloop travel before physical prototypes were built
A nationwide billboard campaign featuring QR codes that unlocked augmented reality demonstrations when scanned
Drone-delivered miniature Hyperloop models to the offices of Fortune 500 CEOs and tech influencers
An interactive Twitter campaign where users could vote on design elements that were incorporated into the final prototype