Als Erklärung ein Zitat aus "Fight Club":
JACK: See a movie doesn't come all on one big reel. It comes on a few, so someone has to be there to switch the projector at the exact moment that one reel ends and the next one begins. If you look for it, you can see these little dots come onto the upper right hand corner of the screen.
TYLER: In the industry, we call them cigarette burns.
JACK: That's the cue for a changeover, he flips the projectors, movie keeps on going, and nobody in the audience has any idea...
-----> jetzt seid Ihr bereit für John Carpenter´s "Cigarette Burns"