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 ultimate in content repurposing.
Finally, we can create ads for audiobooks! Here's the news. Here's a walkthrough of how to actually create an ad in BookBub.
There are so many podcasts to be a guest on! How do you choose which ones are a good fit? Introducing Listen Notes. https://youtu.be/DFHEJDMktUk