David Mamet, big shot playwriter/screenwriter/director/all-round obnoxious guy, wrote a famous memo to a bunch of screenwriters that included the following (typically, ALL-CAPS, because he’s an in-your-face kind of guy):

THE AUDIENCE WILL NOT TUNE IN TO WATCH INFORMATION. YOU WOULDN’T, I WOULDN’T. NO ONE WOULD OR WILL. THE AUDIENCE WILL ONLY TUNE IN AND STAY TUNED TO WATCH DRAMA.

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EVERY SCENE MUST BE DRAMATIC. THAT MEANS: THE MAIN CHARACTER MUST HAVE A SIMPLE, STRAIGHTFORWARD, PRESSING NEED WHICH IMPELS HIM OR HER TO SHOW UP IN THE SCENE.

THIS NEED IS WHY THEY CAME. IT IS WHAT THE SCENE IS ABOUT. THEIR ATTEMPT TO GET THIS NEED MET WILL LEAD, AT THE END OF THE SCENE,TO FAILURE – THIS IS HOW THE SCENE IS OVER. IT, THIS FAILURE, WILL, THEN, OF NECESSITY, PROPEL US INTO THE NEXT SCENE.

ALL THESE ATTEMPTS, TAKEN TOGETHER, WILL, OVER THE COURSE OF THE EPISODE, CONSTITUTE THE PLOT.

This is true of documentaries as well. (Full memo is here.)

Related: Kurt Vonnegut on plots-people-like: