A lot of film makers today are looking to make movies despite being low in funds. In fact, this is a possibility. There are films that have become successful in the box office relying mostly on practical effects, not to mention a good story line. For instance, you have Paranormal Activity. The first Paranormal Activity was ground breaking since it has changed how Hollywood approaches horror films. This low budget film was not only able to make it good at the box office, it was also able to revolutionize how Hollywood is now making films.