Bill Gates with a researcher from California Institute of Technology at the Reinvent the Toilet Fair in Seattle on August 14, 2012.

Bill Gates with a researcher from California Institute of Technology at the Reinvent the Toilet Fair in Seattle on August 14, 2012.

  • Kabopro Films 3y

    Stupid waste of energy and technology... would you think this would be used in the places they don´t have toilets? Just research the simple and ancient system of "dry toilets"... already being used in warm places like Southamerica, Africa and Australia with perfect results. What do these people want to sell us...?
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Taken on August 14, 2012
  • EF24-105mm f/4L IS USM
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  • 40.0 mm
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