He's also bullish on the tower companies (and even owns a cell phone tower outside of San Jose, Calif.).

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The cell phone tower business is different from in the U.S. or Europe.

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Usually the scattering of energy is considered a nuisance -- whether driving in fog or poor reception from a cell phone tower -- and most techniques either try to avoid it (by turning on fog lights) or reduce the impact of scattering (by selecting energy for the phone only from direct paths).

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We drove to a hilltop, where a cell-phone tower had just been installed.

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The last hot air balloon accident in Luxor occurred in 2009, when 16 foreign tourists were injured after a balloon struck a cell phone transmission tower.

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Even if you're calling someone next door, the cellular signal must first travel to the local cell tower before being routed to your neighbor's phone.

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