Never mind TV on demand, podcasts are now the hottest thing in broadcasting, with the number of Britons tuning in doubling over the past five years.
Six million of us now listen to a podcast each week, according to industry watchdog Ofcom, and that number is steadily rising.
So what are podcasts, who makes them and why are they so popular?
David Tennant turns interviewer for his own podcast, with celebrity guests ranging from Michael Sheen to James Corden and former PM (and fellow Scot) Gordon Brown
Podcasts are essentially radio shows you can listen to any time on your PC, mobile phone or a smart speaker, like Amazon’s Alexa. Many are made by journalists or professional broadcasters, but some of the most exciting are by individuals with a real passion and knowledge about their subject.
Most podcasts don’t make money. However, some carry adverts or solicit donations from listeners, and high-earning podcasts (such as US comedy Chapo Trap House) can rake in up to £75,000 a…