Life is not a race against other people. Life is a competition with yourself. One of the greatest achievements in life is to outperform yourself and live your greatest life possible. Greatness lives in all of us, but we must all find what it is that ignites our souls.

While participatory culture can create a Wikipedia, it is not likely to produce something like the Star Wars franchise. I don't think that's a problem, because I don't think we have to choose between participatory and top-down culture – both will thrive.

China for example, aims to increase their buying by 400,000 barrels a day in the last quarter of 2012, and will be adding over 750,000 barrels of new refining capacity. That economic engine is still turning.

The brain is definitely not doing computation in the purest sense. We are not crunching numbers in binary ones and zeros in our heads. A more important question is: what are your inputs, what output do you want, and how intelligently can the system get from one to the other?

It hurts to be on the stage, and it can be scary, and it can be really, really gut-wrenching. But if deep down in your heart the problem you're trying to solve is something that is so important to you, that will erase the noise of the millions of voices in the arena.