Dr Drexler originally floated the grey goo idea in his book Engines Of Creation, published in 1986.

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How about rules impacting small business, the oft-noted engines of job creation?

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The true engines of job creation here in America are America's businesses.

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The bottom line: young companies are the engines of job creation.

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Last year, we gave small business -- the engines of job creation -- tax relief, and expanded lending through the SBA. I don't know if you are aware that SBA loans have gone up 70, 80 percent, which, by the way, indicates the degree to which there is still huge demand among small businesses.

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They are one of the main engines that drive job creation and economic growth in our country.

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Sure, being cool is nice, but the obsession with hipness often means missing a bigger story: the gradual diminution of the urban core as engines for job creation.

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For starters, content creators need to start thinking of themselves more as publishing engines that can drive content creation, distribution and consumption in an innovative and scalable way.

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