The mobile phone is one of the most powerful tools for fighting global poverty ever invented. Poor societies have leapfrogged over the infrastructure hurdles of laying physical phone lines, and as the costs of phones have kept falling, nearly 5 billion people now have them—vastly increasing their economic and educational opportunities. Many funders grasp the potential of this revolution, and have launched a range of initiatives that use mobile technology to advance human progress. One corporate funder that's especially worth watching in this regard is this the telecommunications giant Vodafone. The overarching premise guiding nearly all of its corporate giving is: “Mobile for Good.” The company, which operates a global network of more than 20 foundations, supports organizations that are developing, piloting, and launching mobile tech solutions to improve the lives of underserved and marginalized populations around the world. One of the ways Vodafone does this is through its Wireless Innovation Project...