Facebookisacompanythathasgrownfromnothingtobeworthhalfatrilliondollarsinjust15years.Todaynearlyathirdofallhumansareusingit,andyetwerarelygettoseethepeopleactuallyinchargeofthebiggestsocialnetworkintheworld.Thecompanyhassufferedaseriesofdeepeningscandalsandintensemediascrutiny.In2018,theirmission-toconnectever...