You're busy. You find it difficult to make time for reading in your daily routine never mind trying to get everything else done that needs to be done on a daily basis. One night, you're browsing the web on your iPad as you're winding down from a long day. You come across a link to a book you've been wanting to read for a while. It comes in both audiobook and e-book format, and you can only choose one.
Which one do you choose? Why?