The richest man in the world does not own a house and has recently been selling off his fortune. He tosses satellites into orbit and harnesses the sun; he drives a car he created that uses no gas and barely needs a driver. With a flick of his finger, the stock market soars or swoons. An army of devotees hangs on his every utterance. He dreams of Mars as he bestrides Earth, square-jawed and indomitable. Lately, Elon Musk also likes to live-tweet his poops.
