On a Goodreads thread started by a user named Jay, the topic of physical books versus audio books was discussed. Specifically, how much time was spent by users reading versus listening to their favorite pieces of literature. Read the interesting discussion here, and add your voice to the conversation by telling us whether you read books more, or whether you listen to audiobooks more.
Source: http://www.goodreads.com/topic/show/705754-do-you-listen-to-audio-books-more-than-read