Olli-Pekka Kallasvuo, Nokia's boss from 2006 until last September, was keenly aware of the difficulty.

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Nokia announced yesterday that, following the announced replacement of its CEO Olli-Pekka Kallasvuo on Friday with Elop, Vanjoki was also resigning.

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From his sunny conference room five floors above a blue inlet of the Gulf of Finland, Nokia's chief executive, Olli-Pekka Kallasvuo, can't help crowing.

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