Liquid Paper: A Typist’s Million-Dollar SecretA sign painter’s trick that revolutionized typing

From the show

The Secret Life of Objects

Innovation often comes from looking at common problems from a new perspective. When electric typewriters made erasing errors impossible, a struggling typist looked to sign painters for a solution. Instead of removing mistakes, she learned to paint over them. Bette Nesmith Graham secretly bottled her formula in her kitchen. Despite being fired for a typo, her persistence turned a simple white paint into a massive business success.