http://www.slate.com/blogs/blogs/humannature/archive/2008/07/18/crap-and-trade-revisited.aspxLast week, I looked at the economics of pay toilets and argued that the toilets should pay you . In India, a pilot project is cleaning up the environment and trying to generate fertilizer by paying people to use " eco-sanitation " toilets. Meanwhile,enCommunityServer 2.1 SP2 (Build: 61129.2)