But the very best news in all of this is that we have lately become specialized enough that we now trade in an entirely different kind of good. When people say we have an information-based economy, what they really mean is that what we have figured out is how to exchange information. Information is our latest, our brightest, commodity. “In a world of material goods and material exchange, trade is a zero-sum game,” says inventor Dean Kamen. “I’ve got a hunk of gold and you have a watch. If we trade, then I have a watch and you have a hunk of gold. But if you have an idea and I have an idea, and
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