On the one hand, I agree with the author. A lot of iPhone features have serious discoverability issues, and I am constantly googling how to do certain things on

On the one hand, I agree with the author. A lot of iPhone features have serious discoverability issues, and I am constantly googling how to do certain things on my iPhone. After probably thousands of hours spent using an iPhone, I just learned today (from this article) that you can shake to undo. On the other hand, my mother who in her 70s recently got an iPad and an iPhone and is able to engage more confidently with those two devices than any PC or laptop she owned in the 30 years prior. And my son who is 4 years old is able to move around between and within apps fairly effortlessly - without even knowing how to read. So while there are definitely some things that could be improved in iOS, I think it's also important to recognize that the iPhone has ushered in an era of unprecedented usability for the general public.