Spinbrush: John Osher. The Electric Toothbrush That Sold for $475M

Before Spinbrush became the top selling toothbrush in the U.S—and before Procter & Gamble paid $475M for it—John Osher was a teenager selling earrings for $4.99.  In this episode, John walks through the strange, scrappy, but disciplined path that led to one of the fastest consumer-product break