All aspiring billionaires should study the business case of Sara Blakely and her product, Spanx. She's one of the best examples of using necessity
From $5,000 to $1.2 billion: Spanx lands investment deal with
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Watch: Spanx Employees React to Gift of $10,000, Plane Tickets
How founder of Spanx Sara Blakely turned US$5,000 to US$1b
Spanx Founder Sara Blakely Gifts Her Employees $10,000 Each And
US shapewear company founder gifts air ticket and cash to
Best boss ever? Spanx CEO gives all employees first-class plane
How Sara Blakely Created A Billion-Dollar Brand
Blackstone buys Spanx in eight-figure deal - Inside Retail Asia
Spanx CEO surprises every employee with 2 first-class plane
6 Lessons D2C Businesses Can Learn From Spanx - Velocity
Blackstone Buys Majority Stake in SPANX, Inc.