Bill Gates is obsessed with redesigning the world's toilets — and he just brought a jar of poop onstage to prove it

Bill Gates is obsessed with redesigning the world's toilets — and he just brought a jar of poop onstage to prove it  Business Insider Bill Gates uses poop as prop to pitch toilet of the future  CNN Bill Gates brandishes jar of poop, talks toilet technology  Fox News Bill Gates wields human excrement to promote new toilet technology  Telegraph.co.uk Bill Gates encourages the world to build a better toilet  Seattle TimesFull coverage