Trivia: Anytime one of the characters click on "Do you want to meet a ghost?", they all click the "to".
Trivia: When Mattie sits in the bus just before her professor tries to put himself in its path, behind her is a bearded student, an extra. Repeated views of the films will find him a total of 3 times in 3 different scenes; first in the front school yard, and then in the bus, and one more time in a computer lab.Allister Cooper, 2011
Tim Steinberg: It has to be a virus. I mean, his computer is probably still logged on. It's just hitting his address book.
Mattie Webber: They said, "Help me."
Stone: Yeah, but viruses always have some important-sounding shit. I mean, just the other day, I got one that said, "Urgent, Stone. Read me now." I mean, that's a natural occurrence. It happens all the time.
Isabell Fuentes: That was from me, you idiot.
Stone: Damn. That was pretty strong.