To achieve this the device has been fitted with 18, 688 Tesla K20x GPU modules made by Nvidia to work alongside its pre-existing CPUs.

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It's difficult, however, to find studies that argue the importance of matching a work environment to a pre-existing passion.

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"Pre-existing problems that people are able to sort of ignore and work around come to the surface and have to be dealt with, " Cannata said.

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It takes a lot of work and is based on having a pre-existing audience or having the ability to gain a following in a short amount of time.

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If you study the career paths of people who end up loving their work, you'll find that clearly identified pre-existing passions are rare.

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Halliburton had a pre-existing Navy contract, which was actually competitively bid that they're now using to do a lot of reconstruction work down there.

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