| http://www.w3.org/ns/prov#value | - AT&T CEO Randall Stephenson told an audience at Mobile World Congress, the world's largest cellphone trade show, that the U.S. practice of selling phone companies large swathes of space of the airwaves for perpetual use was helping encourage U.S. companies, including AT&T, to build out large networks using the latest LTE technology.
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