Which famous invention was radically redesigned after its inventor gathered customer feedback showing that 90% of early users found it too complicated to operate?

Throughout history, many revolutionary inventions underwent significant changes based on early customer feedback before becoming the iconic products we know today. This poll explores how customer feedback mechanisms have influenced major discoveries and inventions, transforming initial prototypes into world-changing innovations. Test your knowledge about the fascinating evolution of products through user-centric design and feedback incorporation.

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Alexander Graham Bell's telephone (1876)
Thomas Edison's phonograph (1877)
Steve Jobs' original Apple Macintosh computer (1984)
Tim Berners-Lee's first web browser (1990)