The core of Apple's success has always been to capture the cultural leaders. Artists, musicians, journalists, etc. have used Apple at much higher percentages than the general public.

Now that the iPhone made Apple much more of mainstream company, it's harder to do -- what does it mean to focus on cultural leaders when 90% of American teens have an iPhone? But in the 15 years since Steve Jobs' death they have still been doing a decent job of it.

The company