Audio is big. Like really big, and growing fast, to the tune of "two-thirds of the population listens to online audio" and "weekly online listeners reporting an average nearly 17 hours of listening in the last week". These numbers include all kinds of audio, from online radio stations, audiobooks, streaming services and podcasts (hi Spotify!). It makes sense too. Consuming audio content is easier to consume and more engaging than written content while you're on the go, exercising, commuting o...
