Pop music thrives on repetition. You know a song's a hit when you've heard it so often that you'll be happy never to hear it again.

Downsizing itself is an inevitable part of any creatively destructive economy.

Wall Street has come a long way from the insider-dominated world that was blown apart by the Great Depression.

The fact that cognitive diversity matters does not mean that if you assemble a group of diverse but thoroughly uninformed people, their collective wisdom will be smarter than an expert's. But if you can assemble a diverse group of people who possess varying degrees of knowledge and insight, you're better off entrusting it with major decisions rather than leaving them in the hands of one or two people, no matter how smart those people are.

In the struggle between capital and labor, more often than not capital has won, because the real source of value for most companies has historically been the hard assets that they owned and controlled.

To be sure, if you watch CNBC all day long you'll pick up some interesting news about particular companies and the economy as a whole. Unfortunately, to get to the useful information, you have to wade through reams of useless stuff, with little guidance on how to distinguish between the two.

Technological innovation has dramatically lowered the cost of computing, making it possible for large numbers of consumers to own powerful new technologies at reasonably low prices.