These are billionaire CEOs, not artists. There’s nothing particularly mysterious about their work, which you can learn all about from the many, many self-fellating autobiographies their ghost writers churn out every year.

I can’t imagine how hard it must be to manage a company as big and complex as YouTube.

To be fair, not at all. Someone in her position would be making broad decisions, such as “should we have a downvote button,” and spending her time courting advertisers and handling the whiny board of directors, who are mostly geriatric babies.