Marking the end of a remarkable era in cellular technology, the FCC is officially letting American carriers decommission their legacy analog networks as of today, February 18, 2008. Few of us still own a phone based on AMPS -- Advanced Mobile Phone System, ironically, despite the fact that there's been nothing "advanced" about it for many years -- but we owe the very existence of the world's modern wireless infrastructure to the introduction and overwhelming success of the Bell Labs-developed technology. So successful was AMPS, in fact, that it eventually covered virtually 100 percent of the continental United States, a statistic CDMA and GSM have only recently begun to approach.
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