Over the next 15 years, digital banking will give over 2 billion people an unprecedented level of control over their financial assets, according to the Gates Foundation. The key to this access will be mobile phones.  In its annual letter published Thursday, the Bill and Melinda Gates Foundation outlined its goals for the next 15 years, one of which is to help the poor transform their lives by giving them access to mobile banking. The letter states that roughly 25 billion adults in the world do not currently have a bank account, which prevents them from effectively using what little assets they have. 

http://uk.businessinsider.com/how-mobile-banking-will-transform-poor-peoples-lives-by-2030-2015-1