Blake Mycoskie started and sold four businesses before age 30. But only in Argentina did he discover the idea he'd want to pursue long term. After seeing a shoe drive for children, he came up with TOMS — part shoe business, part philanthropy. PLUS in our postscript "How You Built That," how a long-haired Southern Californian, Chris Healy, co-founded The Longhairs and created special hair ties for guys.
