Which scientific product launch included a famous demonstration where the CEO drank what was claimed to be raw sewage water after it passed through their purification device?

Scientific discoveries transform into groundbreaking products through careful product development and launch strategies. Major scientific breakthroughs often face unique commercialization challenges including regulatory hurdles, technical manufacturing complexities, and the need to educate consumers about novel technologies. Test your knowledge about famous scientific product launches that changed industries and improved lives!

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The Lifestraw personal water filter by Vestergaard
The Slingshot water purifier by Dean Kamen
The Sawyer water filtration system
The Grayl Ultralight water purifier bottle