Shampoo doesn’t have to foam, but we add foaming chemicals because people expect it each time they wash their hair. Same thing with laundry detergent. And toothpaste—now every company adds sodium laureth sulfate to make toothpaste foam more. There’s no cleaning benefit, but people feel better when there’s a bunch of suds around their mouth. Once the customer starts expecting that foam, the habit starts growing.
Charles DuhiggBetween calculated risk and reckless decision-making lies the dividing line between profit and loss.
Charles DuhiggChampions don’t do extraordinary things. They do ordinary things, but they do them without thinking, too fast for the orther team to react. They follow the habits they’ve learned.
Charles Duhigg