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Anshul Samar was just 13 years old when he founded Elementeo, a card game based on chemistry and the natural elements.
Rujul Zaparde and Kevin Petrovic
Rujul Zaparde and Kevin Petrovic started FlightCar, a car rental service, before they were old enough to even rent a car. They started the company when they were 17 years old, but they started a nonprofit called Drinking Water for India when they were even younger.
Miss O and Friends, a social network for tween girls was created by Juliette Brindak when she was 16. Her current net worth is $30 million.
Cameron Johnson started his first business when he was 9 years old selling greeting cards, and became a millionaire before he graduated high school. He regularly appears on popular television shows.
Nick D’Aloisio is the 16-year-old founder of Summly, a news app, which he recently sold to Yahoo for $30 million. He currently works for Yahoo in the UK.
William LeGate created the iOS app Fake-A-Text when he was 14 years old. He was most recently a 2013 Thiel fellow.
Catherine Cook co-founded myYearbook in 2005, when she was 14, with her brothers Dave and Geoff. It was one of the 25 most-trafficked websites in the US at one point and is now called MeetMe.