As it passes 2B iPhones sold, Apple has avoided disruption by adding useful features nobody asked for and avoiding overshooting on performance that few need (Horace Dediu/Asymco)

Horace Dediu / Asymco:
As it passes 2B iPhones sold, Apple has avoided disruption by adding useful features nobody asked for and avoiding overshooting on performance that few need  —  Just recently, the 2 billionth iPhone was sold.  Unlike the 1 billionth, there was no announcement, no celebration.