Congratulations, Elon Musk and Jeff Bezos. You played yourselves.

Once upon a time, the phrase "billionaire shows his whole ass on social media" was just a metaphor. Now, judging by the direction Jeff Bezos is going, it may soon be a headline. "Thank you, I've been working hard on my ass," the Amazon founder told a user with 37 followers, who had asked for an invite to Bezos' mega-yacht so he...