People don't care about what someone says about you in a movie--or even what you say, right? They care about what you build.

Berlin definitely has one of the most vibrant of the startup scenes that I have seen. Not really just across Europe, but across the whole world in terms of cities. It's an interesting dynamic.

Free basic internet access should be like dialing 911 in the US or 100 in India.

Don't discount yourself, no matter what you're doing.

The unsupervised learning is the way most people will learn in the future. You have this model of how the world works in your head and you're refining it to predict what you think is going to happen in the future.

Just because you can build a machine that is better than a person at something doesn't mean that it is going to have the ability to learn new domains or connect different types of information or context to do superhuman things. This is critically important to appreciate.

Google, I think, in some ways, is more competitive and certainly is trying to build their own little version of Facebook.