Every morning Mark Zuckerberg gets up and checks his emails. The news is, without fail, dreadful. It’s like getting “punched in the stomach”, he told the podcaster Joe Rogan recently. “I look at my phone to get, like, a million messages of stuff that has come in. It’s usually not good. It’s, like, OK, what’s going on in the world that I need to pay attention to that day?”
So jarring is that ritual that he has taken up another one to deal with it: fighting. Specifically, mixed martial arts. Zuck loves nothing more these days than to “wrestle with friends”. Unlike running, where his mind wanders to the catalogue of horribles bubbling inside Facebook — or the “swamp of despair” as the Twitter co-founder











