When it was released theatrically in the fall of 2009, Paranormal Activity surprised everybody with its low-budget thrills ...

Paranormal Activity hails from Oren Peli ... as one of the most profitable films ever made thanks to a microscopic budget of $15,000 before post-production modified it with an extra $200,000.

Unlike the latter film, a big-budget monster movie from a major studio, "Paranormal Activity" relies primarily on the power of suggestion and implication, chronicling the struggle of a young ...

He then researches their story, building it up before casting it out to experts and contributors, who offer rational or paranormal explanations ... broadcast time and budget allowed him to ...