Silence is golden when you can't think of a good answer.
My way of joking is to tell the truth. That's the funniest joke in the world.
There's no regret. You can't regret. I mean I've felt regret but I've also...
In the next 10 years I expect at least five billion people worldwide to own smartphones giving every individual with such a phone instant access to the full power of the Internet every moment of every day.