If there's one negative thing you've heard about the iPhone in past few years, it's that it's getting walloped in market share battle with Android.
Around the world, that's certainly true, but in the U.S., the iPhone is doing pretty well. As you can see in this chart from Statista based on data from comScore, Android is actually falling while the iPhone continues to take share.
Who remembers Palm ? Symbian ? BlackBerry ? Welcome to the two horse race (US only)