Which transportation product design innovation was initially criticized for its unusual aesthetics but went on to become an industry standard for aerodynamic efficiency?

The transportation industry has seen remarkable product design innovations that have transformed how we travel. Some designs become iconic while others fade into history. This trivia question tests your knowledge of a groundbreaking transportation product design that revolutionized an entire segment of the industry and continues to influence modern designs. Can you identify the correct answer among these seemingly plausible options?

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• The Shinkansen bullet train's elongated nose design (1964)
• The Concorde's drooping nose mechanism (1969)
• The Chrysler Airflow's streamlined body (1934)
• The Boeing 747's distinctive hump (1969)

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