05/03/2012 09:47 am ET

Developing The Smartphone Of Toilets

The story of water and sanitation is one of success and failure. The world has met the Millennium Development Goal on the provision of clean drinking water five years early, but is set to miss its goal on basic sanitation by almost 1 billion people. An astonishing one-third of the world population, 2.5 billion people, lacks access to basic sanitation. More than 1 billion people must defecate out in the open rather than using the toilets that we take for granted in the developed world.

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