| http://www.w3.org/ns/prov#value | - Nine in 10 American adults own a mobile phone, according to the Pew Internet Project, and of those nearly half own smartphones.But with Apple and other phone makers constantly upgrading their models, you have probably got an older mobile phone - or several - gathering dust in a desk drawer.What to do with it?Electronic waste, known as e-waste, is a growing problem.
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