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.

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.

I'm not saying the whole world will work this way, but with Airbnb, people are sleeping in other people's homes and other people's beds. So there's a level of trust necessary to participate that's different from an eBay or Facebook.

In June, 2010, I moved out of my apartment and I have been mostly homeless ever since.

[On culture] It's living the core values when you hire; when you write an email; when you are working on a project; when you are walking in the hall.

Culture is simply a shared way of doing something with passion.