The Verge has some interesting reporting on Apple's change from a computer company to something different:
Chaim Gartenberg said:How Apple makes billions of dollars selling services
Breaking down Apple’s new focus — from Apple Music to accounting tricks
... Apple’s services business brought in over $10.9 billion during the most recent quarter, setting records in “every geographic segment” in the process, according to Apple CEO Tim Cook. Cook also said that Apple is on track to double its services business from 2016 to 2020. Last quarter saw a 19 percent increase year over year.
It’s a substantial figure compared to Apple’s other business segments: services already brings in more per quarter than the Mac ($7.4 billion last quarter), iPad ($6.7 billion), or the collected “Wearables, Home, and Accessories” group of products ($7.3 billion). And that balance will likely only continue to shift as Apple starts to push services harder and introduces new services to which people can subscribe.
So what’s already bringing in all that services revenue, and how healthy are those businesses? ...