Which film is credited with pioneering the 'found footage' viral marketing strategy that included fake missing persons reports, websites, and documentary-style promotion as part of its campaign?

Movie marketing can make or break a film's success, regardless of its quality. Some campaigns have become legendary in their own right, changing how films are promoted forever. This trivia question tests your knowledge about one of the most innovative movie marketing strategies that revolutionized the industry and set new standards for viral promotion. Can you identify which groundbreaking campaign truly changed the game?

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The Blair Witch Project (1999)
Paranormal Activity (2007)
Cloverfield (2008)
The Ring (2002)