As Spotify buys The Ringer for a reported $250m, Amol Rajan asks if the podcasting gold rush will ever end.Guests: Steve Ackerman, Managing Director of Somethin' Else, Otegha Uwagba, host of In Good Company, Gerry Edwards, CEO of Podcast Radio, and Caroline Crampton, journalist and writer for Hot PodProducer: Richard Hooper Assistant Producer: Natalia Fernandez