https://padlet.com/liuxia62/g7886xtg1t7l Made with the best of intentions en-us 2017-11-10 03:52:26 UTC 2017-11-10 13:04:21 UTC hello@padlet.com liuxia62 https://padlet.com/liuxia62/g7886xtg1t7l/wish/205667985 This article talks about the detergent appear. At first P&C thought a new detergent should be found and they experienced. They decided to forget everything, just think like a child，then they found they should have new tool by observing a women. Then someone created a paper towel but P&C rejected it and consumer also rejected it. But according prototype appear and people try it, they accepted it and used it widely. ]]> 2017-11-10 13:04:21 UTC https://padlet.com/liuxia62/g7886xtg1t7l/wish/205667985