Well, we all know it takes 10,000 hours of conscious practice to become an expert. And if you buy the Hackers & Painters analogy, you'll see programming, marke

Well, we all know it takes 10,000 hours of conscious practice to become an expert. And if you buy the Hackers & Painters analogy, you'll see programming, marketing, bizdev, etc as arts. It can be hard to observe improvement in these areas; however in the link it's very easy to track the author's improvement. It's a quite visceral manifestation of improvement - you see the results of daily practice at a glance. It's a reminder to practice, to be better.