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I do love email. Wherever possible I try to communicate asynchronously. I'm really good at email.

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I like the word 'autopilot' more than I like the word 'self-driving.' 'Self-driving' sounds like it's going to do something you don't want it to do. '...more

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I would like to fly in space. Absolutely. That would be cool. I used to just do personally risky things, but now I've got kids and responsibilities, s...more

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I don't think it's a good idea to plan to sell a company.

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If anyone thinks they'd rather be in a different part of history, they're probably not a very good student of history. Life sucked in the old days. Pe...more

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Biofuels such as ethanol require enormous amounts of cropland and end up displacing either food crops or natural wilderness, neither of which is good.