The cellphone has become more of a tool and less of a toy, especially among the poor, and those trying to help them, in emerging markets. It helps deliver, via text message, water, energy, financial services, health care and even education.
The World Health Organization estimates that more than 700 million people do not have access to clean drinking water and over 2.5 billion have no access to toilets. Yet according to the International Telecommunications Union, 96 percent of the world is connected via cellphone — which is why it has become a means of doing good.
Many of the aid services that employ mobile phones are Western-inspired but designed for people making $2 a day.
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