Quadir, Iqbal Z.2012-05-162012-05-162010-07Development Outreachhttps://hdl.handle.net/10986/6066Over half of people in poor countries, including a quarter of those over the age of 14 in Afghanistan, use mobile phones.CC BY 3.0 IGOcommercecommunication technologycomputerselectricityhardwareICTINFORMATION BANKinnovationsmobile devicesmobile phonemobile phonesmobile servicesmobile userspenetration ratesproductivityprotocolpurchasing powerresulttelecommunicationswireless transmissionJournal ArticleWorld Bank10.1596/1020-797X_12_1_22