If by this day, 40 years from now, Zuck hasn't at least launched an exploratory committee for a presidential run, I would be extremely surprised. If this were reddit, I'd promise to do something like eat an insect or a shoe or something.
This is the same man who tried to suck up to the PRC by asking Xi Jinping to name his daughter. If he actually tried to run for POTUS, it would be a shitshow.