Which of these billion-dollar products was discovered accidentally when a researcher failed at his original goal but noticed an unexpected benefit that revolutionized its industry?

Throughout history, some of the most significant product innovations have happened completely by accident! From penicillin to Post-it notes, serendipitous discoveries have transformed industries and consumer experiences. This trivia question explores a famous case of accidental invention that created an entirely new customer experience and built extraordinary brand loyalty over generations. Test your knowledge of how unplanned moments can lead to revolutionary products!

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Viagra - Originally developed as a treatment for angina, researchers noticed an unusual side effect during clinical trials
iPhone - Steve Jobs initially wanted to create just a better iPod but accidentally developed the first smartphone with a touchscreen interface
Tesla Model S - Designed as a compact economy car until Elon Musk accidentally added luxury features that defined a new market
Amazon Echo - Created when a voice recognition program for Amazon's warehouse management unexpectedly showed consumer potential