The zero-sum world [the movie The Social Network] portrayed has nothing in common with the Silicon Valley I know, but I suspect it's a pretty accurate portrayal of the dysfunctional relationships that dominate Hollywood.

Twitter is hard to evaluate. They have a lot of potential. It's a horribly mismanaged company — probably a lot of pot-smoking going on there. But it's such a solid franchise it may even work with all that.

I think anything that requires real global breakthroughs requires a degree of intensity and sustained effort that cannot be done part time, so it's something you have to do around the clock, and that doesn't compute with our existing educational system.

Every tech story is different. Every moment in history happens only once. All successful companies are successful in their own unique way. It's your task to figure out what that future history will be.

I'm in favor of free trade, but I think if you had to make a choice between having technological progress versus free trade, you had one or the other, you should always pick technological progress. I think it's an incredibly important variable for creating more prosperity.

Never invest in a tech CEO that wears a suit.

People don't want to believe that technology is broken. Pharmaceuticals, robotics, artificial intelligence, nanotechnology - all these areas where the progress has been a lot more limited than people think. And the question is why.