They're organized functionally, and are one of the only companies in the world that seem to have cracked this at scale. I've always been super curious how that works in practice.

This article argues against functional organization (as in most cases organizing functionally increases your coordination needs within a company).

My understanding is there is considerable activity and communication in the white space of the organization chart at Apple. Strict silo organizations tend to be extremely bureaucratic and slow moving.

perhaps the silos are big enough (like an iphone silo, a macbook silo...) that they don't need to communicate so much between them? Or they got silos, but also effective communication channels?