The TV tie-in novel lurks somewhere near straight-to-DVD sequels in terms of respectability. Or at least it used to. As the golden age of TV drama continues apace, novelisations of hit shows are finding growing audiences, keen to see the magic of the small screen brought to the printed page.

Averaging 2.2 million listeners per episode, NPR’s Serialpodcast is not just a cultural phenomenon, but a game-changer for a formally underappreciated medium. But why has the story of a 1999 murder in Baltimore struck such a chord? And what is it about the lure of audio that’s driving a talk radio revival?

From the hunt for the Boston bomber to Obama's participation in an AMA, Reddit is steeped in a rich history of user-generated content that has moving real-world implications. Now, the site has launched podcast series Upvoted to dig deeper into selected Reddit favourites.

Young people have always looked to music, filtered through radio DJs, for identity. For generations growing up with every song at their fingertips and algorithms replacing DJs, how is the medium being redefined, and what new roles can it fulfil?