I suggest start here http://robrhinehart.com/?p=298 http://robrhinehart.com/?p=298 and check out the continuation of his experiment at http://robrhinehart.com/?

I suggest start here http://robrhinehart.com/?p=298 http://robrhinehart.com/?p=298 and check out the continuation of his experiment at http://robrhinehart.com/?p=424 http://robrhinehart.com/?p=424