I really chess-play culture shifts. I'm really good at understanding what worldwide cell-phone use means. That's what I do. I try to picture it three to four to five steps ahead.

People are more comfortable learning about wine because now they can just Google, you know, 'Soave,' and say, 'Oh, O.K., cool.'

I always say that the real success of Wine Library wasn't due to the videos I posted, but to the hours I spent talking to people online afterward, making connections and building relationships.

Think of social media as the Internet. I can't think of anyone betting against the Internet in 2012.

After one Olympics, if we invest in sports and say we will get a gold medal in the next Olympic, it doesn't work like that in sports. How it works is that you provide the infrastructure, provide education about nutrition and health.

If I'm at home, I get up around 7:30. If I have time, I like to do some exercise. My current favourite is 'hot' yoga. If I'm filming, I will go to the office or set, and then take meetings.

I'm not suggesting that social scientists stop teaching and investigating classic topics like monopoly power, racial profiling and health inequality. But everyone knows that monopoly power is bad for markets, that people are racially biased and that illness is unequally distributed by social class.

Dependence on oil from volatile foreign markets undermines our economic security and threatens our national security. Moreover, that addiction is producing toxic air and a public-health epidemic.