Steve Jobs dreamt up the iPhone. Tim Cook put one in 1.5bn pockets. Apple’s new boss, John Ternus, must now decide whether their winning formula needs updating https://www.economist.com/leaders/2026/04/23/tim-cook-wrote-a-winning-recipe-for-apple?taid=69edb344a9d16e00016b6219&utm_campaign=trueanthem&utm_medium=social&utm_source=voante