Build something 100 people love, not something 1 million people kind of like.

The stronger the culture, the less corporate process a company needs. When the culture is strong, you can trust everyone to do the right thing. People can be independent and autonomous. They can be entrepreneurial.

The American dream, what we were taught was, grow up, own a car, own a house. I think that dream's completely changing. We were taught to keep up with the Joneses. Now we're sharing with the Joneses.

In June 2010, I moved out of my apartment and I have been mostly homeless ever since, off and on. I just live in Airbnb apartments and I check in every week in different homes in San Francisco.

Every day I would wake up and think, 'Today is another missed opportunity to do something important.' After enough days like this, you start feeling like you are getting old, even when you are relatively young. We are all natural entrepreneurs, and being manacled to a desk job is not for us.

What I've been surprised by is not how different people are, but how similar they are. There are certain types of Airbnb people, and they are in every city in the world - it's just that in some cultures, there is more of a generational divide.

Companies that hire employees..that are deeply passionate create companies that customers are really really passionate about, and those are the companies that have strong brands.