Liquid filled glasses for 1 billion people

Josh Silver estimates that half the world's population needs eyeglasses but many do not have access to them. He has a goal that his adjustable, liquid-filled lenses will get to 1Billion of the world's poor people in need of glasses by 2020. A brilliantly simple invention and an example of innovative value creation and how the right solution can turn non-customers into customers.  Read more about how this is being rolled out today at:  http://www.vdwoxford.org/about/#mission