Rivalry causes us to overemphasize old opportunities and slavishly copy what has worked in the past.

In the '30s, the Keynesian stuff worked at least in the sense that you could print money without inflation because there was all this productivity growth happening. That's not going to work today.

People don't want to believe that technology is broken. Pharmaceuticals, robotics, artificial intelligence, nanotechnology - all these areas where the progress has been a lot more limited than people think. And the question is why.

Since 1920, the vast increase in welfare beneficiaries and the extension of the franchise to women - two constituencies that are notoriously tough for libertarians - have rendered the notion of "capitalist democracy" into an oxymoron.

Every tech story is different. Every moment in history happens only once. All successful companies are successful in their own unique way. It's your task to figure out what that future history will be.

All happy companies are different: each one earns a monopoly by solving a unique problem. All failed companies are the same: they failed to escape competition.

Whatever the career, sales ability distinguishes superstars from also-rans.