CNBC for RadiumOne
October 23, 2012
At 16, Gurbaksh Chahal dropped out of high school to focus on his online advertising startup, ClickAgents. By 18, he had sold it for $40 million to ValueClick. He then founded another online advertising startup, BlueLithium, which Yahoo [YHOO 16.67 0.90 (+5.71%)
] acquired for $300 million in 2007.