Paranormal Activity is an independent horror film written and directed by Oren Peli. The first glimpse of the movie was at the Screamfest Film Festival in October 2007. The movie was also shown in 2008 at the Slamdance Film Festival in Utah. It wasn't until this year that the movie had a release in several U.S cities on October 9th 2009, the movie went on to have a nationwide release on October 16th.
The production electrified the United States and became an overnight success. One highly enthusiastic critic called the movie the scariest of all time, with one tagline for the movie instructing viewers not to see it alone. Paranormal Activity is said to be the most successful independent film of all time. The movie, which had a budget of $15,000, has to date made a worldwide profit of over $100 million dollars.