"Lufthansa has invested quite a bit of money in keeping a first-class product because a lot of airlines are moving out of first-class where there is not enough traffic to warrant it, " says Buckenburg.

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Add that to growing middle class incomes and a bright future, and the online publishing divisions of the big dailies are seeing a traffic surge.

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For example, for Stanford University a device could eventually show you a 3D map of the campus with real-time traffic information, information about your lecture room and the class there, information about the subject there, such as biology in 3D, and so on.

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