Positive culture comes from being mindful, and respecting your coworkers, and being empathetic.

This idea that the open exchange of information can have a positive global impact is being proven over and over again around the world nearly on a daily basis - and for Secretary Clinton to recognize that, I think, is a huge step.

For me, I've learned about what it means to focus on a culture, to build social responsibility, and the idea of a company as a super-organism.

I believe that the open exchange of information can have a positive global impact.

I'm convinced that there's a new way to define capitalism, and that the definition should include three ingredients - that we love our work, that we are building a traditionally successful business, and that we are having some positive impact in the world, whether it's local or global.

We hired a CSR person at Twitter, years before we hired our first sales person, to make sure we had a culture and impact of doing good.