"In order to put them in volume production, you need a well-defined market and a distribution strategy. The problem is that most of our commercial partners - even the giants - do not do a lot of business in the underdeveloped parts of the world. This is not a shortage of technology. It's a shortage of courage, vision, awareness: a lot of human things."

Social and business processes are a technology in need of inventing too. The creativity behind Grameen Bank, Kiva, DonorsChoose, etc is just as important as the tech behind his Slingshot and motor.

I love Kamen but right now he sounds like a whiny engineer wondering why the world isn't beating a path to his door. The job isn't over once the technology exists.