But a recent trip home during a holiday illustrates just how difficult Wu's life is.

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Mintz first traveled to China in the mid-1980s to train in martial arts, which is how he met Wu.

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In a paper soon to be published in the Journal of Applied Physics, he describes how he and his student, Eric Wu, are employing the technique to help with the design of receivers for mobile telephones.

ECONOMIST: MONITOR

The big question is how investors will interpret the conservative guidance, says Shaw Wu, an analyst at Sterne Agee.

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Instead of creating a monolithic media company, "we're looking at how we build a truly Asian service that is relevant in the local marketplace, " Wu says.

CNN: Thinking Smaller