The difference this new method can make was dramatically illustrated in January when Gallup made its switch from quota sampling.

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This so-called Uplink Time Difference of Arrival or UTDOA method requires servers to be installed at each transmitter site.

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But what makes Sorger's method stand out is the difference in how it approaches the problem of scaling to the human body: the Swift scales, where other bicycles may simply get taller without increasing the wheel base.

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My point is that there were substantially difference between the prior art and the new method, but the key was you could not replace one for the other.

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The buffering method you choose will make a big difference: Active lying is more damaging than avoidance, research indicates.

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But it is uncertain whether such a method could ever become commonplace - its very difference may make it seem too strange to catch on.

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The indicators of the production of GDP are re-valued at constant prices with the double deflation method where the value added at constant prices is the difference between the value of output and the value of intermediate consumption at constant prices.

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This strategy requires very visible signage, some nifty software that distinguishes the method of payment, and ultra-clear communication with customers about the reason for the difference so they don't feel they're being whacked unfairly.

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