Take away: don't blindly trust what you see. Always think twice.
Chapter 1: incentives. They can do good, but also can do bad - cheating.
Chapter 2: information. The most powerful thing in the world.
Chapter 3: 80-20 rules. Everywhere.
Chapter 4: think again about cause and consequence.
Chapter 5: Fear vs. statistics.
Chapter 6: self-development is the best investment.