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.
Finally, we can create ads for audiobooks! Here's the news. Here's a walkthrough of how to actually create an ad in BookBub.
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...
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...