Believe it or not, high profit margins can make me nervous. Basic economic theory states that profits will attract competition that then drives prices downward and eventually consumes the profit margin. Real-world economics is more complexMarkets rise and fall, booms come and go, and the world keeps ticking. Ultimately, I believe observing megatrends, as difficult as they can be to spot, let alone fully comprehend, can yield insights into the advance of human society, which in turn could pave the way for ma ...