Employers have decided that having the breadth of knowledge that's associated with a four-year degree is often something they want to see in the people they give that job to.

If you've found some way to educate yourself about engineering, stocks, or whatever it is, good employers will have some type of exam or interview and see a sample of your work.

The digital decade is not just about any particular aspect of computing, taking enterprises, knowledge workers and homes and building standards that connect all of those together. The key piece in the center is trustworthy systems, systems that do what you expect on an extremely reliable basis. So in each of these areas we have new scenarios, new ways that people will be using their computers that they never did before.

My experience of malaria was just taking anti-malarials, which give you strange dreams, because I don't want to get malaria.

We all need people who will give us feedback. That's how we improve.

There's no such thing as going to a soapbox and saying, 'The government's corrupt,' and not having the intelligence service see your face. In the digital world, that can be done.