in a darkened theater, john mayer, mark zuckerberg and leonardo dicaprio are all sitting together while the credits roll. mark gets up to use the restroom, john mayer turns to leonardo dicaprio, and his two eyes meet. john mayer takes his left hand and turns it into an axe and splits mark zuckerberg's head open, all the way from the top of his forehead down to the top of his chin. cinematic 8 k. 