These 13 people became millionaires thanks to one single and simple idea

Joy Mangano. Automatic mops.

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Joy Mangano created a unique mechanism to spin a mop without touching it: Miracle Mop. This woman has sold a huge amount of these online and in 1995, she made her first million dollars. Since then, Joy has invented and patented over a hundred different useful objects, including anti-slip hangers, aromas, and organizers for bags, among many others. In 2015, a film about her life was shot, with Jennifer Lawrence as lead actress.

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