“Private companies found they could ‘crowd-source’ enforcement against fraud and low-quality products, in much the same way that Wikipedia discovered an encyclopedia could be created without a central organizer. Wikipedia founder Jimmy Wales tells me that method ‘works far better than the top-down system that it replaced.’ We almost always assume that top-down government regulation is necessary, even though history says otherwise.”
http://townhall.com/columnists/johnstossel/2013/01/02/no-regulation-no-problem-n1476928/page/full/