Which famous product was initially a massive failure when first introduced, selling only 30 units in its first year before being redesigned and becoming one of the most successful household appliances ever?

Throughout history, many revolutionary products and inventions have had unexpected origins or experienced major setbacks before achieving success. Some of the most common household items we use today were discovered by accident, while others were initially rejected by the market. This trivia challenges your knowledge about famous product innovation failures and pivots that eventually led to remarkable success stories.

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Dyson vacuum cleaner
Apple Newton (predecessor to the iPad)
Sony Walkman
Keurig coffee maker