Which advertising technique was first used for the 1975 film 'Jaws' and revolutionized how blockbuster movies were marketed?

The film industry has pioneered innovative advertising techniques that have transformed how movies are marketed to audiences. From traditional billboards to immersive experiences, studios continually push boundaries to capture attention in an increasingly crowded entertainment landscape. This trivia question focuses on a groundbreaking advertising technique that changed how blockbusters were promoted and set new standards for film marketing campaigns.

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National television saturation campaign with unprecedented $700,000 TV ad budget
First-ever movie merchandise line featuring branded t-shirts and toys
Celebrity endorsements from ocean conservation groups
Interactive shark exhibits at major shopping malls nationwide