Whether it was trying to reduce the number of steps to cut the lawn as a child, reduce the time it took a computer program to run as a software developer, or today, trying to get more done with less energy.

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"You can imagine how a man, believing he is being seduced online by a sexy woman, might be all too eager to click on a link she suggests or run a malicious program on his computer, " Cluley wrote on his blog.

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VM, in effect, simulates a computer within a computer, which can adapt any Java program to run on any computer.

ECONOMIST: Sun and Microsoft