Jack Dorsey eats five meals a week. He ends his evenings alternating between ice baths and 220-degree barrel saunas. He works almost solely from his iPhone, and unlike his counterpart at Facebook, he’s hardly a central physical presence at Twitter’s Market Street headquarters.

And all of this should come as no surprise after the galling Wednesday hack of top individual Twitter users, ranging from presumptive Democratic presidential nominee Joe Biden and former boss Barack Obama to Kanye West and Elon Musk.