It's Silicon Valley vs. Telcos in battle for wireless spectrum.

"And because this will be the last auction of unused spectrum for the foreseeable future, it represents the final opportunity to create an alternative to the major carriers. The FCC grants auction winners a license to use spectrum for a number of years, but as these licenses are almost invariably renewed at no additional cost, they are effectively deeds of ownership for the winning bidders. No surprise, then, that the fight has already gotten intense."