Duncan Garner interviews Barclay Nettlefold, chairman of MediaWorks, about the challenges and opportunities facing the New Zealand media industry. Garner and Nettlefold discuss the rise of digital media, the challenges of local media companies, the future of radio, and the potential of podcasting. They also chat about Nettlefold's other passion, Supercars, and the recent return of the sport to Taupō.