I felt suicidal. I couldn't stop crying. I remember thinking, wouldn't it be great if the car crashed and I died?

But iPods and iPhones are two things we don't get for our kids.

Women are the centre of the family. It's the woman who decides what's eaten in the house, when to have the kids vaccinated; everything that has to do with the children's health revolves around her.

My undergraduate work was in computer science and economics. It just happened to be at that time when 34 percent of computer-science majors were women. We didn't realize it was at the peak at the time.

Sanitation issues in the developing world affect women more than they affect men.

Women and girls should be able to determine their own future, no matter where they're born.

We started our foundation because we believe we have a real opportunity to help advance equity around the world, to help make sure that, no matter where a person is born, he or she has the chance to live a healthy, productive life.