Audio has been around since, I suppose, the spoken language. The difference now is distribution and availability. Audiobooks, podcasts, smart phones, voice controlled home speaker systems, connected cars, and who knows what will come next.
StoryOrigin is such a feature-rich source for authors and now there's support for audiobook reviews, too. Here's the video version just for kicks: https://youtu.be/iCoNIiSDW8k...
I want to write my own stuff, and, you know, it would be nice to put myself in it. But I would like to...
But they listen to podcasts and audiobooks. [ https://youtu.be/oyLdzCm0ZcE ] https://youtu.be/63g0iIyAQLk