Read more about the article POO-DUNNIT: Whiff Meter On Public Lavatory Knows Just What You’ve Bean Eating
Screen at bathroom in shopping mall shows how smelly each pit is in Chengdu, Sichuan in China, undated. The filmer said that such "high technology" is not necessary. (AsiaWire)

POO-DUNNIT: Whiff Meter On Public Lavatory Knows Just What You’ve Bean Eating

A whiff meter on a shopping mall's new high-tech public loos is warning shoppers in China which booths are like a breath of fresh air and which are too stinky to use. The loos -at a shopping centre in Chengdu, in Sichuan Province - come with their own smelly-vision screen…

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