Left-leaning bloggers have had a tremendous impact on the Democratic Party.

Facebook's headquarters is a two-story building at the end of a quiet, tree-lined street. Zuckerberg nicknamed it the Bunker. Facebook has grown so fast that this is the company's fifth home in six years - the third in Palo Alto. There is virtually no indication outside of the Bunker's tenant.

It's not my job to worry about how Left, Right will react to something. My job is, am I creating something that connects people? That's my job.

Culture is about humanizing people. You look at the African-American civil rights movement, you look at the LGBT rights movement - the culture changed before the politics did.

Who is against democracy? Is it the one who calls for peaceful resistance, or the one who bombs people, sheds their blood and leads them away from the leaders under feeble and dirty pretexts?

We need to make sure we're creating spaces to create new leaders and new types of leadership.

The American president has a peculiar leadership responsibility to speak out for freedom.

There are many people I admire and seek advice from, but for the most part, I just follow my gut instead of trying to mimic someone else's leadership style.