China is very entrepreneurial but has no rule of law. Europe has rule of law but isn't entrepreneurial. Combine rule of law, entrepreneurialism and a generally pro-business policy, and you have Apple.

Rule 1: All rules can be broken. Many (ex-legal and ethical) should be. Most people won't.

There is a constant need for new systems and new software.

In short, software is eating the world

The smartphone revolution is under-hyped, more people have access to phones than access to running water. We've never had anything like this before since the beginning of the planet.

We have never lived in a time with the opportunity to put a computer in the pocket of 5 billion people.

One of the advantages of moving quickly is if you do something wrong you can change it.