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?

Remember when Ira Glass sang his own song to introduce an episode of This American Life, and you just knew that your friend would love it if they heard it? Well, now they can – even if they don’t listen to podcasts – thanks to a new tool promising to make podcasts as easy to share as GIFs.

From televised musical spectaculars to streams of explosions on Periscope, live news and entertainment is available in more varied and accessible forms than ever. But in a multi-channel, multiplatform universe, how do you go about finding an audience for what’s happening right now?

Whether it's Snapchat or PewDiePie – the internet is always spewing out hype-shrouded phenomena, often understood exclusively by Gen Z. The latest is Periscope; one in a slew of apps that let users film live-streamed video from their smartphones. Do we really want to watch someone film a video selfie?