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.
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.