On the Internet, it's survival of the easiest.... Give users a good experience and they're apt to turn into frequent and loyal customers. But ... it's easy to turn to another supplier in the face of even a minor hiccup. Only if a site is extremely easy to use will anybody bother staying around.

[The] dynamics of computational artifacts extend beyond the interface narrowly defined, to relations of people with each other and to the place of computing in their ongoing activities. System design, it follows, must include not only the design of innovative technologies, but their artful integration with the rest of the social and material world.

It wasn't very long ago when you wouldn't even think about there being health information on the smartphone. There's financial information. There's your conversations; there's business secrets. There's probably more information about you on here than exists in your home.

Together, we could open up government and invite citizens in, while connecting all of America to 21st century broadband. We could use technology to help achieve universal health care, to reach for a clean energy future, and to ensure that young Americans can compete - and win - in the global economy.

I just believed. I believed that the technology would change people's lives. I believed putting real identity online - putting technology behind real identity - was the missing link.

I think long-term, Bitcoin is a currency of the Internet. So, even if humans don't use it, routers will use it. Web browsers will use it. Web servers will use it.