I feel I should point out that a lot of people would consider this bad advice.
"It is critical to remember that play is not exercise."
Focusing on what are you're good at (like algorithms for creating mazes), is in fact exercise. You're getting better at what you already consider yourself good at (assuming you don't stagnate - which I think the article is really getting at.)
I am just pointing out that the start of the slideshow is a little unnecessary and potentially off-putting, I quite enjoyed the concise diagrams and animations which followed.
I think those with a CS degree and a good understanding of graph theory should still sit and enjoy it!
"It is critical to remember that play is not exercise."
Focusing on what are you're good at (like algorithms for creating mazes), is in fact exercise. You're getting better at what you already consider yourself good at (assuming you don't stagnate - which I think the article is really getting at.)
Should you focus on weaknesses or strengths is a big debate, but strength finder (http://strengths.gallup.com/110440/About-StrengthsFinder-2.a...) seems like a popular camp.