But he said this could spell trouble, if the value of the pound suddenly fell, perhaps due to speculation over euro entry, which could risk driving inflation up.

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Momentum effortlessly maintained from karting into cars, just like his silky driving style converted his corner-entry momentum into lap time.

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But for many, such issues pale against the idea of a world without "free" mobile maps, and Apple's entry into the sector is seen as a driving force for further innovation.

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