Everyone loves Tide, from the toddlers who gobble detergent pods to the criminals who boost it and sell it illegally. Some people even do laundry with it. The real question at the core of the Tide trade is this: How did bottles of brand-name detergent become a de facto currency? Why this brand, Tide? Where do the bottles come from, and who is the end consumer who actually pours the Tide in their washer?