The 'Oculus' trailer isn't shy about who's behind the film's production. Producer Jason Blum and his Blumhouse Pictures have had tremendous success with the horror genre, crafting films like 'Paranormal Activity,' 'Insidious,' 'Sinister' and 'The Purge.' The company's latest film is 'Oculus,' which bears many of the same traits as other Blumhouse films. Domestic setting invaded by supernatural horror? Check. A decent cast of actors lending credibility to what should be genre absurdity? Check. A trailer that relies on surreal imagery and the innocent-yet-creepy voice of a child to sell the chills? Check!