Short-shirt company Untuckit has ridden the casual-workplace trend all the way to a search for funding that would value the company at a staggering $600 million. That valuation is nothing compared to what investors decided logoless shoe mavens Allbirds was worth. So how did we get here? And does middle school maybe have anything to do with it? MUSIC: “Nameless, Faceless” - Courtney Barnett