I think that the yearly slimming down of devices was just an easy way out to having to do real innovation. Apple wanted to prove that they were getting better a

I think that the yearly slimming down of devices was just an easy way out to having to do real innovation. Apple wanted to prove that they were getting better and better at something every year. They chose slimming down devices because it is an easier problem to solve than inventing something new and game-changing.