US launches effort to ease 'spectrum crunch'

US regulators voted Friday to begin a process to reallocate some of the broadcast spectrum to meet surging demand from smartphones, tablets and other devices that use the wireless Internet.

Five billion people to use mobile phones in 2010: UN

The ranks of cell phone subscribers will swell to five billion people this year thanks to the growth of smartphones in developed nations and mobile services in poor nations, a UN agency said Monday.

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