books.google.fr - Even the smartest among us can feel inept as we fail to figure out which light switch or oven burner to turn on, or whether to push, pull, or slide a door. The fault, argues this ingenious?even liberating?book, lies not in ourselves, but in product design that ignores the needs of users and the principles...https://books.google.fr/books/about/The_Design_of_Everyday_Things.html?id=nVQPAAAAQBAJ&utm_source=gb-gplus-shareThe Design of Everyday Things
