In Denver, the Reddit tour met up with Simple Energy, a startup that helps utility companies encourage energy reduction by tapping into existing social networks.

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Another challenge for Alltel is a possible reduction in revenue it gets when users of other networks roam into its area.

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Jim Parmalee, an analyst at Credit Suisse First Boston, says the companies products will be "best in class" because they will be able to transmit light for 4000 kilometers without being regenerated electronically, which will mean a dramatic reduction in both operating and capital costs for managers of optical networks.

FORBES: Corvis' IPO

This results in a dramatic reduction of complexity and costs while at the same time making the networks faster without the addition of infrastructure, making service provider networks more agile.

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Forcing mobile operators to reduce what they charge foreign operators whose customers roam onto their networks (the wholesale price) does not guarantee that those foreign operators will pass on any of the reduction to their customers (the retail price).

ECONOMIST: Mobile phones