Oren Peli wrote the script for Paranormal Activity and conceived the idea of creating a low-budget found-footage horror film.
The movie Paranormal Activity was filmed in Oren Peli's own home using a very low budget.
DreamWorks and Paramount Pictures acquired rights to distribute Paranormal Activity after its festival success.
Following the success of Paranormal Activity, multiple sequels and spin-offs were announced and released, expanding the franchise.