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.
Maybe it's a personal preference but I'm into the atmosphere. [ https://youtu.be/IInkT6n-NiM ]
Don't know where to price your audiobooks? Here you go.
I want to write my own stuff, and, you know, it would be nice to put myself in it. But I would like to...