If you thought the advent of the Internet, the spread of cheap and efficient information technology, and the growing fragmentation of the consumer market were all going to help smaller companies thrive at the expense of the slow-moving giants of the Fortune 500, apparently you were wrong.

Life insurance became popular only when insurance companies stopped emphasizing it as a good investment and sold it instead as a symbolic commitment by fathers to the future well-being of their families.

All things being equal, letting people make decisions for themselves will produce smarter outcomes, collectively, than relying on government planners.

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.

Being unemployed is even more disastrous for individuals than you'd expect. Aside from the obvious harm - poverty, difficulty paying off debts - it seems to directly affect people's health, particularly that of older workers.

Companies have long gathered data to break down their customer base into specific segments. Now political parties have become adept at micro-targeting, too, using data on shopping habits, leisure activities, voting histories, charity donations, and so on, in order to pinpoint likely supporters and the type of appeal most likely to win them over.

The history of the Internet is, in part, a series of opportunities missed: the major record labels let Apple take over the digital-music business; Blockbuster refused to buy Netflix for a mere fifty million dollars; Excite turned down the chance to acquire Google for less than a million dollars.