For relatively modest amounts of sulfur dioxide injected into the atmosphere, you could easily cool Earth by 1% or more, if you want.

The whole hardware industry has experienced the phenomenon in which every time computers get cheaper, they appeal to a new set of users; every time they get more powerful, old customers upgrade.

Economists want their discipline to be a science, and they have nailed down a few precepts, but many of their debates are still clouded by ideology.

Intellectual Ventures is a company that invests in invention.

If I say I've got two versions of Word - that old one from 1982 that's perfect, with zero defects; or the new one that's got all this cool new stuff, but there might be a few bugs in it - people always want the new one. But I wouldn't want them to operate a plane I was on with software that happened to be the latest greatest release!

Anybody who can afford a box of business cards can afford a Web site. Any company with an 800 number can move its services to the Web for peanuts by comparison. The extreme case of corporate promotion is to strip away all other aspects of your business and sell goods or services via the Net alone, as amazon.com has done with books.

Researchers who examined the voting records of wine judges found that 90 percent of the time they give inconsistent ratings to a particular wine when they judge it on multiple occasions.