Regardless of how it's done, transaction costs will continue to plummet as computers get more powerful. Low transaction costs are a wonderful thing if you're in the transaction business. They're wonderful for consumers too, making it cheaper and easier to buy things and creating new things to buy.

Suppose that 'Unsolved Mysteries' called you with news of a long-lost identical twin. Would that suddenly make you less of a person, less of an individual? It is hard to see how. So, why would a clone be different? Your clone would be raised in a different era by different people - like the lost identical twin, only younger than you.

My company invents all kinds of new technology in lots of different areas. And we do that for a couple of reasons. We invent for fun - invention is a lot of fun to do - and we also invent for profit. The two are related because the profit actually takes long enough that if it isn't fun, you wouldn't have the time to do it.

It's very hard for individual inventors to get paid. For the same reason that private equity is valuable - broadly, that's a good thing - in the case of patents, many that own them aren't in a good position to take the next step.

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!

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.

Most visions of extraterrestrial life are actually steeped in human hubris. The fictional extraterrestrials of 'Star Trek' or a hundred other space operas are less alien than many of my neighbors. And funny, the ones running the place are mostly WASPish men.