... iron? Fred Smith (founder of Federal Express): Why can't there be reliable overnight mail service? Godfrey Hounsfield (inventor of the CAT scanner): Why can't we see in three dimensions what is inside a human body without cutting it open? Masaru Ibuka (honorary chairman, Sony): Why don't we remove the recording function and speakers and put headphones in the recorder? (Result: the Sony Walkman.) Many of these questions are deemed ridiculous at first. Other shoe companies thought Bowerman's waffle shoe was ...
