You want traffic? You want readers? You want customers? You'll want to listen to this episode. Your free book is essentially your epic "guest post" -- only a MUCH bigger site than you could ever hope to publish on regularly. Like a good guest post, it leads readers back to more of your content, where they opt-in with their email to continue their relationship with you. This works for authors and non-authors alike. In fact, Nick pretty much convinced me I need to be doing this as well!