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

All's fair in love, war and ride-sharing.

On the back end, software programming tools and Internet-based services make it easy to launch new global software-powered start-ups in many industries - without the need to invest in new infrastructure and train new employees.

Newspapers with declining circulations can complain all they want about their readers and even say they have no taste. But you will still go out of business over time. A newspaper is not a public trust - it has a business model that either works or it doesn't.

In the next 10 years, I expect at least five billion people worldwide to own smartphones, giving every individual with such a phone instant access to the full power of the Internet, every moment of every day.

Once you understand that everybody's going to get connected, a lot of things follow from that. If everybody gets the Internet, they end up with a browser, so they look at web pages - but they can also leave comments, create web pages. They can even host their own server! So not only is everybody consuming, they can also produce.

Google is working on self-driving cars, and they seem to work. People are so bad at driving cars that computers don't have to be that good to be much better.