Billion Dollar Ideas
How Spanx's Sara Blakely made a billion
After failing to get into law school and overcoming criticism, Spanx founder Sara Blakely built an underwear empire.
See All CNNMoney Original Shows
How has Germany shaped Europe?
Open mic Iran: Do you want a nuke deal?
Don't like broken gifts? That's Bubble Wrap's biz
TV anchors met with Ferguson cop
AP reporter: here's what happened with Cosby
Square wants you to send cash over Snapchat