The only source of knowledge is experience
-- Albert Einstein
If I had to give only one piece of advice in this first section of the book on audio for authors, it would be this:
Keep it short, make it sweet, and get it done.
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
Audio has been around since, I suppose, the spoken language. The difference now is distribution and availability. Audiobooks, podcasts, smart phones, voice controlled home...
Gone are the days when a publisher could take out an ad, count on a few reviews, and have an author do a couple...