LAKE WENCHI, Ethiopia-In the green highlands here southwest of Addis Ababa, farmers like Darara Baysa are proud owners of cellphones that run on a network built by China's The trouble is, they have to walk several miles to get a good signal.
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LAKE WENCHI, Ethiopia-In the green highlands here southwest of Addis Ababa, farmers like Darara Baysa are proud owners of cellphones that run on a network built by China's The trouble is, they have to walk several miles to get a good signal.