In battle for listeners, Audiobooks.com switches to Audible’s pay-by-the-book model January 14, 2013 by admin Tweet GigaOM Related Posts:Audible is using AI narration to help publishers…Even Audible is putting in ads inside some of its audiobooksEarly Amazon Prime Day deal offers three months of…Spotify brings 200,000+ audiobooks to Premium…Get Amazon Prime, Audible Plus, and Kindle Unlimited…