Which product launch involved the inventor intentionally destroying his own product in public demonstrations to prove its strength?

Throughout history, certain product launches have fundamentally transformed industries and consumer behavior. These watershed moments in product development often feature innovative marketing strategies, dramatic unveilings, and cultural impact that extends far beyond the product itself. Test your knowledge about some of the most influential product launches in history and the revolutionary techniques that brought these inventions to market.

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Corning's Gorilla Glass (2007)
Pyrex heat-resistant glassware (1915)
DuPont's Kevlar body armor (1975)
3M's Post-it Notes (1980)