6) Shopping Fuels Innovation

Even allowing for the many people who still in abject poverty, our own generation has access to more calories, watts, horsepower, gigabytes, megahertz, square  feet, air miles, food per acre, miles per gallon, and of course, money than any who lived before us. This will continue as long as we use these things to make other things. The more we specialize and exchange, the better off we’ll be. (Readers Digest 04/12, pg 152)