For charity purposes, how do I help? A lot of prospective levers and tools have come into my life.

I am investing like a crazy person, mostly in internet start-ups. And I want to invest in Brazil as well, because I am Brazilian and that's in my heart.

I don't like showing my privacy online.

People always try to put a title or a symbol on you. If you work in a bank, you are a banker. For me, they see a co-founder of Facebook.

We must lead in a different way... We must have an active president, who gives strong direction and works with the government for its implementation.

You would be naive to suggest that politics isn't complicated or isn't a game, but you don't create change through cynicism.

Big government conservatives are spending trillions and wasting billions. Republicans are no longer the party of fiscal conservancy, but the party of runaway spending and corruption.

It is the nature of government and of technology to establish control.