Positive culture comes from being mindful, and respecting your coworkers, and being empathetic.
When I studied graphic design, I learned a valuable lesson: There's no perfect answer to the puzzle, and creativity is a renewable resource.
You can provide a short-format content, and it can grow, and it can spread virally across the entire Twitter system, and it can contain within it a link to something that's much longer, that's a long essay or that's a video.
The international limit on mobile texting, or SMS, is 160 characters. We wanted Twitter to be entirely readable and writable on every single one of the over five billion mobile phones on this planet, because they all have SMS built in. So we said it has to be within 160 characters, all the tweets.
The most rewarding thing for me has been this affirmation for me that people are basically good and smart, and if you give them a simple tool that allows them to exhibit that behavior, they'll prove it to you every single day.
I still blog, but I do think blogging will become obsolete, as there are more ways of interacting on the Web with low barriers to entry for people to engage and participate.
I believe that the open exchange of information can have a positive global impact.
In any leadership position, you're always going to be disappointing somebody.
I think it's a really big deal to be able to meet people outside the context of something like a conference room or someplace where everything feels like it's formal talk.
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.
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.