First, she used her high school bodybuilding experience to find work as a personal trainer.
PLUS for our postscript "How You Built That," how Steve Kral has created a successful business fulfilling a very particular niche: selling TV remotes for outdated television sets.
In the early 1990s, Reid Hoffman had a vision for the future of the Internet: people would connect through social networks using their real names, and their online lives would be completely merged with their real ones.
The spa became so popular that it was booked months in advance with a list of celebrity clientele.
After selling her shares in Bliss, Marcia went on to start four new successful companies: Soap & Glory, Fit Flop, Soaper Duper, and Beauty Pie.
Even as a kid, Jeni Britton Bauer knew she was going to start a business one day.
But she had no idea that her love for perfume would inspire her to start experimenting with ice cream.
PLUS in our postscript "How You Built That," how Florence Wetterwald created Blabla dolls – eco-friendly knitted dolls made in Peru.
In 2008, it was nearly impossible to buy a fashionable, affordable pair of glasses online.
Guy Raz dives into the stories behind some of the world's best known companies.