In a world that's changing so quickly, you're guaranteed to fail if you don't take any risks.

The last six years have been a lot of coding and focus and hard work. But maybe it would be fun to remember it as partying and all this crazy drama.

Openness fundamentally affects a lot of the core institutions in society - the media, the economy, how people relate to the government and just their leadership.

Why are most chess masters under 30?

The question isn't, 'What do we want to know about people?', It's, 'What do people want to tell about themselves?'

At Facebook, we're inspired by technologies that have revolutionized how people spread and consume information. We often talk about inventions like the printing press and the television - by simply making communication more efficient, they led to a complete transformation of many important parts of society. They gave more people a voice. They encouraged progress. They changed the way society was organized. They brought us closer together.

Move fast and break things. Unless you are breaking stuff, you are not moving fast enough.