Noble People CEO Greg March talks about his nascent collection of pinball machines—an homage of sorts to his father's love of watches. "There is no less impermanent business than advertising," March says. "I guess to have a hobby that is tactile and physical, but also incorporates art and storytelling all at the same time, it touched a lot of buttons for me." He also weighs in on screen time for his kids, too much cheese, and the dangers of reckless entrepreneurship.