Best part so far: "Accepted truisms about sales, marketing, regionality, seasonality, the Internet, purchasing behavior, game design, economics, and recruiting

Best part so far: "Accepted truisms about sales, marketing, regionality, seasonality, the Internet, purchasing behavior, game design, economics, and recruiting, etc., have proven wrong surprisingly often. So we have learned that when we take nearly any action, it’s best to do so in a way that we can measure, predict outcomes, and analyze results."