toothbrush
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…
Using a Toothbrush’s NFC chip to Unlock a Computer
Depending on which type of electric toothbrush you are using, the replaceable brushes may contain an NFC chip that the handle and possibly base station uses to …





