Probably most. And not even primarily because of inertia: for the average person, even the technically inclined person, there's really not much of a reason at a

Probably most. And not even primarily because of inertia: for the average person, even the technically inclined person, there's really not much of a reason at all to move away from an iPhone. It just works, it almost always just works, it has the best build quality and fit/finish/polish, it's supported for many years, and you always know you're basically getting the best hardware. And it's not Google.