Mobile phone ownership has exploded in developing countries like Cameroon, Nigeria, and Uganda. 92% of small business owners in coverage areas own and use mobile phones daily. Mobiles have provided both incremental benefits like increased productivity and transformational benefits like new ways to access banking and money transfers. 73% of micro-entrepreneurs save 3 hours of business time daily using mobiles, and 72% reported increased profits. However, more research is still needed to precisely quantify the economic impact of mobile phones on small businesses and growth.