Someone has to be there to switch the projectors 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 into the upper right-hand corner of the screen. In the industry, we call 'em "cigarette burns." That's the cure for a changeover. He flips the projector, the movie keeps right on going, and nobody in the audience has any idea. In which THoC begins a glorious partnership with Airwave Media. Learn more about your ad choices. Visit megaphone.fm/adchoices