So what can we learn from Will Smith's success in the ebook world? Here are a few takeaways:

Smith writes: “We think the people who succeed are the ones who don't fall. We're wrong. The people who succeed are the ones who fall and keep rolling.”

In the post-release updates to the digital version, Smith includes a raw, unsettling chapter titled "The Shadow." He writes: “I was going through something that no one knew about... but that is no excuse.”