Now. Did you know.
International audiobook audiences are growing year-on-year at 40% in the UK, 30% in the US, where sales in 2016 were $1.7 billion and $2.5 billion in 2017?
Annual audiobook sales growth is approaching 20% in Australia.
And from the last annual Small Press Network conference. They officially welcomed self-publishers as members and predicted that audio books are expected to be the next growth format.
And the book giants are right behind it. Here’s a recent article about the Amazon Echo:
https://www.engadget.com/2018/03/13/amazon-echo-free-audible-book/
and the day Amazon bought Audible: