When I was a child growing up in Maine, one of my favorite things to do was to look for sand dollars on the seashores of Maine, because my parents told me it would bring me luck. But you know, these shells, they're hard to find. They're covered in sand. They're difficult to see.

Archaeology holds all the keys to understanding who we are and where we come from.

It's absolutely critical, you know, to train young men and women not just to find sites, but also to protect sites, especially in the wake of the Arab Spring. There's been significant site-looting in Egypt and elsewhere across the Middle East.

WorldView-3 goes into the mid-infrared wavelength, allowing you to see very subtle geological differences on the sites at a 0.4-metre resolution.

First of all, we have seen now in six years of Obamacare that it has been a disaster. It is the biggest job-killer in this country. Millions of Americans have lost their jobs, have been forced into part-time work, have lost their health insurance, have lost their doctors, have seen their premiums skyrocket.

Good entrepreneurs can manage, but no one but an entrepreneur can entrepreneur, let alone help build and lead the world's community of leading social entrepreneurs and their top business entrepreneur allies.

My daddy was a World War I pilot, and I just wanted to be able to fly like he did.

Mobile forced us to rethink the user experience and do something people would be able to carry out on in a couple of seconds on the mobile phone. By stripping out all the work the user used to do and putting that on the company, we were able to create a much better user experience.