The Social Network | How Aaron Sorkin Writes A Scene
Very few screenwriters today can pull such interesting dialogue and scene structure from such a simple story. The way Sorkin uses reversals to create rising action in every scene is certainly one of the reasons The Social Network won Best Adapted Screenplay.
For educational purposes only.
Further readings:
"Dialogue: The Art of Verbal Action for Page, Stage, and Screen" by Robert Mckee