Age of Audio hurtles from hacked-together RSS feeds to nine-figure buyouts, tracing the scrappy rise of podcasting through the eyes—and mic—of indie host Ronald Young Jr. Exclusive interviews with Ira Glass, Kevin Smith, Kara Swisher, Marc Maron, Roman Mars, and more reveal the medium’s Wild-West origin story, the gold-rush years of corporate money, and today’s fight to keep authenticity on-air.