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.

From 20,000 miles away however, you couldn't see any civilisation- just the land mass and those three colours… the brown of the land, the white of the clouds and the ice, and the crystal blue of the ocean. Earth was just suspended in the blackness of space and it was an incredibly beautiful sight.

One of the things which is a really distinguishing factor about our markets in contrast to the OTC derivative market is that we're completely open, competitive and transparent with a very high degree of participation, a very high turnover, and a high degree of pre and post trade price transparency.

Third sector organisations have learnt, through necessity, to rally their teams around a common goal

This is certainly something that is not without risk. We are pursuing an audacious goal, and we very well might fail. When NASA set the Moon landing challenge, it created a whole series of capabilities and technologies that we previously could not have imagined.

Freedom of expression isn't just about protecting popular speech - it's about creating the conditions where unpopular ideas can challenge power and where dissent can flourish without fear.

It was one of those typical examples of people combining different ideas from different fields and finding magic at that intersection.

Society feels broken because society is broken. When the most powerful nations in the world are spending billions of dollars on ways to kill each-other, and a fraction of those resources on ways to heal each other, we're broken.

My drive to excel comes from a desire to be the best I can, not just for myself but also for those around me. I aim to perform at my peak every time I play.

While most people are uncomfortable with change we have a business built on analysing it. Our business takes advantage of challenges and the opportunities they provide.

I often tell students we work with that there will be moments when they, as newcomers, propose ideas or approaches that are innovative and correct simply because they bring a fresh perspective, uninfluenced by established norms or the supposed limits of what's possible.

Chinese global trade went down 20% and Chinese exports collapsed by 25%. This had an immediate effect whereby factories along the coast, in the last quarter of 2008 alone, fired between 20-30 million migrant workers.