Which innovative retail strategy did Tesla pioneer that has since been adopted by many other electric vehicle manufacturers?

The transportation industry has been transformed by electric vehicles, but how companies market and sell these vehicles has evolved just as dramatically. Test your knowledge about how leading EV manufacturers are creating innovative retail experiences to attract and retain customers. This trivia question focuses on retail innovations that have changed the traditional car-buying experience.

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Direct-to-consumer sales model with company-owned showrooms instead of traditional dealerships
Virtual reality test drives that can be experienced from home through a smartphone app
Subscription-based ownership with the ability to swap vehicles seasonally
Mobile service units that come to the customer for all maintenance and repairs