Critics often talk disparagingly of

Critics often talk disparagingly of the "reality distortion field" generated by the Apple boss: his ability to convince onlookers that technologies that would seem unformed in other hands have reached a peak of perfection at Apple. Generating this suspension of disbelief is essential to stirring up demand for gadgets most consumers had no idea they needed, and is an art form of which Mr. Jobs has long been the acknowledged master.