I'll give you two other answers from two University of Chicago economists.

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Whereas the other two, the answers were more still in generalities.

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Quite clearly this device is running on T-Mobile, and is also using WiFi, so there's two other questions you've got answers to.

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There are two answers: one scientific and the other a pervasive misconception that has taken on the status of a legacy in the world of presentations.

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