For an increasing number of people, reading means listening to streamed audio files through a smartphone. The audiobook has a long history,1 of course, but what is new is its commercial impact: For the first time, audiobooks can no longer be seen as a niche market. Now, the audio medium competes with print books and ebooks for the attention of book readers in a large and diverse range of national book markets.
Source: Audiobooks: Every Minute Counts