'Send a text message to charge your cellphone

People living off-grid can now pay for electricity to power their phones simply by sending a text message – the cheapest method found so far

At the Konokoyi coffee cooperative on the edge of Uganda’s Mount Elgon national park, Juliet Nandutu is trying out a new toy: a solar-powered cellphone charging station that is activated by text message. She is offering the service to her village. “I charge 18 phones a day, sometimes 20,” she says.'

To read the full article by Anil Ananthaswamy, follow the link above.