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One important measurement issue concerns the fat tails problem that I mentioned earlier. VAR is concerned with extreme outcomes. If the tails of the probability distributions we are using are too thin, our VAR measures are likely to be too low.

There are challenges in terms of the measurement of VAR for what are known as nonlinear derivatives, where things like gamma and vega are important dimensions of the risk.

I see any production of any nature being good for the development of the whole industry.

Working for a big company is, I believe, much risker than it looks.

I think the wonderful thing about vi is that it has such a good market share because we gave it away.

We're always doing a lot of user studies on health and safety. We take it super seriously. But if you look back at the history of most new big technology breakthroughs, there is some element of controversy around what impact is it going to have.

I think you can say a lot of evil behavior by companies is short-term optimization.

Business has a way of talking about how to create value, which is in some way isn't bad... We just need to start thinking about if the value we want to create is consistent with all social and environmental well being.

Prophesy is a good line of business, but it is full of risks.

No industry is immune and no occupation is safe. All of us need to begin to think in terms of our own inner strengths, our resilience and resourcefulness, our capacity to adapt and to rely upon ourselves and our families.