Macworld For the second year in a row, Apple has added a button to the iPhone. New iPhone buyers will have two different hardware buttons to get familiar with, both the Action Button (introduced on the iPhone 15 Pro, and now on all iPhone 16 models) and the all-new Camera Control button. For those of us who remember the era when Apple attempted to strip buttons and ports off of all its products–reaching a low point with the completely buttonless iPod shuffle–it’s a remarkable turnaround. I got to spend some time trying out Camera Control this week, and while it’s not guaranteed that everyone w…