How Apple uses machine learning

In case you missed it, there's a post on Medium by Steven Levy that explains everything you might want to know about how machine learning works at Apple. It's a fascinating account of the Apple Brain, the A.I. hidden inside your iPhone. To be honest, I've always wondered about this stuff: According to Levy's article, the "brain" is about 200MB, depending on your personal data stores, and it tracks interactions with people and acts a bit like a neural network. And yes, when Apple buys a company, it is usually doing that to hire the people. Is this the new Apple, a company that allows people to get an inside view of what they are doing?