Which horror film pioneered viral marketing in Hollywood by using a fake documentary premise and internet campaign that convinced many viewers the events were real?

The film industry constantly experiments with marketing strategies to generate buzz around new releases. Sometimes, these strategies create unexpected success stories that transform modest productions into cultural phenomena. This poll tests your knowledge about one of the most innovative film marketing campaigns that revolutionized how horror movies are promoted and distributed. Can you identify the groundbreaking approach that changed the industry?

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