Noreena Hertz

People are looking for certainty. The more complex the world becomes, the more people look for people to give them certainty and tell them what to do. During the past few years of actively thinking about this, there is one thing that I have accepted: certainty is not out there. There is not one strategy to follow, and that's OK.

Child labour may be distasteful to westerners, but does boycotting goods made with child labour improve or exacerbate the lot of third world children? Trusting the market to regulate may not ultimately be in our interest.

What about those who help growth indirectly, those who stay at home and look after others - mothers, carers of elderly parents or sick relatives who save the state millions of pounds annually. What is their worth? How is their value to be determined?

Engineers in the developed world should be arguing not for protectionism but for trade agreements that seek to establish rules that result in a real rise in living standards. This will ensure that outsourcing is a positive force in the developing nation's economy and not an exploitative one.

What a piece of garbage this smart car is. There's a commercial - the smart car has zero percent interest for six years. Well, good, I got zero percent in six years in buying this smart car. I'll tell you that much. I mean, it's ridiculous. My buddy has a smart car, totaled it. He hit a deer tick.