The paper reviews the relevance of formal financial services - and in particular savings - to poor people, the economic factors that have hindered the mass-scale delivery of such services in developing countries, and the technology-based opportunities that exist today to make massive gains in...

This paper describes the opportunity of using mobile phones as a way to increase access to finance in developing counties. It also explains how mobile payments can trigger innovation and entrepreneurship at the base of the pyramid, and how they can serve to bring liquidity to rural communities