Understanding capitalism is in some ways simple. At its best, capitalism rewards creators, makers and providers: the people and firms that create valuable things for others, like imaginative technologies and good food, cars and drugs.

Social innovation thrives on collaboration; on doing things with others, rather than just to them or for them: hence the great interest in new ways of using the web to 'crowdsource' ideas, or the many experiments involving users in designing services.

I don't enjoy good food. I don't enjoy flashy cars. I don't care if I live in a dump. I don't enjoy good clothes. This is the best I've dressed in months.

My best hostess tip is to have good food and really good music!

Huge sums are invested globally in medical research and development - and with good reason.

I like food. I like eating. And I don't want to deprive myself of good food.