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.
The only source of knowledge is experience-- Albert Einstein If I had to give only one piece of advice in this first section of...
But they listen to podcasts and audiobooks. [ https://youtu.be/oyLdzCm0ZcE ] https://youtu.be/63g0iIyAQLk
You have audio. You probably have a book cover. You're all set. Using an online (and mostly free) tool called Headliner, you can easily...