How Sara Blakely Differentiated Her Business Idea For Spanx

The founder of Spanx talks about how she avoided discouragement before she launched by keeping her idea to herself, and developing it for a year, before she mentioned it to friends or family. View the video on Inc.com at: http://www.inc.com/sara-blakely/how-sara-blakely-differentiated-her-business-idea-for-spanx.html Advertisement: Are your best customers still out there?