Today is World Radio Day, so on TechTalk we’re exploring the medium that turned Kulturpop’s Matt Armitage from an alienated geek into a global megastar with the cultural clout of Mark Zuckerberg. Obviously, Matt has been curating his own podcasts rather than living in the real world. And speaking of podcasts, Jeff Sandhu joins in to share some of his favourite podcasts that you should start subscribing!