We have these 100 mms delays, you know, our attention is on our PDA, we're always in a rush. We drive around in these 4,000 pound metal wombs, these 4,000 pound containment systems to protect us from these 6,000 pound cars from smacking us.

Imagine a world of nine billion people with clean water, nutritious food, affordable housing, personalized education, top-tier medical care, and nonpolluting, ubiquitous energy. Building this better world is humanity's grandest challenge.

One of my goals is to reinvent philanthropy.

Mining asteroids will ultimately benefit humanity on and off the Earth in a multitude of ways.

My childhood dreams were focused on being part of the effort to make humanity a multiplanetary species.

The first trillionaire can be made in space.

As lower-cost phones begin to penetrate, they'll become the educator and physician everywhere on the planet.