Scrub Daddy: Aaron Krause. How a Failed Experiment Became a Billion-Dollar Sponge

Aaron Krause did not set out to reinvent the kitchen sponge. He was a car detailer, building buffing pads and the machines that made them. To clean his greasy hands, he made a makeshift hand scrubber out of extra-rough foam, and it worked so well he decided to sell it. But nobody wanted it. He shelved the product for years. Then one day while cleaning up around the house, he accidentally…