Most of us are taught from an early age that human shit is taboo–it should neither be touched nor touched upon in polite conversation. Consequently, most people probably don’t think much about what happens to their shit after they flush it down the toilet. But perhaps they should, and perhaps this taboo around shit needs to be abandoned, for there are people, businesses, entire industries working in dark corners of the waste economy finding clever ways to sell you your own shit. How is this possible? Why would anyone want to buy it? Good questions and very much related to…