i'm skeptical, but there since hernando de soto of the institute for liberty and democracy, a think tanked in peru. he starts pulling these pictures out of his briefcase, pictures that show slum dwellings built on top of each other, much like this. he went on to explain, well, i will let you explain it. what to these pictures show? >> they show that roughly bout 4 billion people in the world actually build their homes and all their businesses outside the legal system. it's all haphazard and disorganized, but because of the lack of rule of law, the definition of who owns what in because they don't have addresses, can't get the credit. john: don't have addresses. >> well, to get an address somebody has to recognize the that is where you live. legal recognition. legal recognition means property when you have property, mailing address is command when you make a deal was someone you can be identified. the first -- the second characteristic in the is the address. if you go anywhere they say what is in a minority live. and some property is defined by law they cannot get into the kind of deals o