PLUS for our postscript "How You Built That," how Hannah England turned a common parenting problem into Wash. After high school, Marcia Kilgore moved to New York City with 0 in her pocket and no real plan.
One step at a time, she became a successful serial entrepreneur.
In 2001, Wales launched Wikipedia, a website where thousands of community members could contribute, edit, and monitor content on just about anything.
Today, the non-profit has stayed true to its open source roots and is the fifth most visited website in the world.
Melissa and Doug Bernstein's first success was a wooden 'fuzzy puzzle' of farm animals.
Today, Melissa & Doug makes over 2,000 kinds of toys and serves as an antidote to the rise of digital toys.
The spa became so popular that it was booked months in advance with a list of celebrity clientele.