https://en.wikipedia.org/wiki/Paranormal_Activity_(film_series)#Paranormal_Activity_(2007)
The Paranormal Activity movies are just more variations of the haunted house and the-possessed-movie theme.
http://ca.ign.com/articles/2010/10/29/ten-top-haunted-house-movies
The Amityville-enigma has spawned a series of movies.
http://the-intersection-point-of-reality.blogspot.ca/2012/09/life-and-death.html
