For a found-footage-style movie, there's a definite advantage in using unknowns, because it helps sell the illusion that it's real. A known actor would get in the way of the suspension of disbelief.

In many cases your imagination is much more effective than what can be shown. It primes you to know something is about to happen - the anticipation and anxiety is worse than what ends up happening.

I do not buy CDs any more; I usually stream Internet radio. For movies, I hardly every buy any DVDS. I have a DVR, so just record things off HBO, Showtime and so on.

Usually I don't find gore or slasher films scary. What works for me is the slower build where you are tightening the noose around the situation until you are running out of options and then really have no idea what to do.

By trade, I am a software programmer, so I never really had any experience with movies before. I started out with 'Paranormal Activity.

I'm just considering myself extremely lucky. All I wanted is to have 'Paranormal Activity' be released and become successful. And everything that's happened since then is just an enormous bonus.

Gory stuff can be shocking but it doesn’t really scare me. I’d say the kind of stuff that gets under my skin is the unknown. You hear a knock behind a wall and you don’t know what it is. Is there something there or not?