Which unconventional marketing strategy did Tesla notably NOT use, despite its widespread success with other approaches?

Tesla has disrupted not just the automotive industry, but also traditional marketing approaches. Unlike most major car manufacturers, Tesla has achieved remarkable brand recognition and sales growth through strategies that break conventional wisdom. This poll tests your knowledge of Tesla's unique approach to product marketing in the transportation sector and how it changed the automotive marketing landscape forever.

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Eliminating traditional dealership networks in favor of company-owned showrooms
Investing heavily in Super Bowl commercials and prime-time television ads
Leveraging social media and Elon Musk's personal Twitter account for major product announcements
Implementing a customer referral program with significant rewards like free Supercharging