Today is International Women's Day, and there's a fantastic set of pieces running by an organization called ONE called "Poverty Is Sexist." It's a great way to quickly learn about what's actually going on for women in poverty around the world, and then do something about it.

Mothers might say they'd go to the doctor. In poor countries, moms are usually responsible for their kids' health. But breastfeeding and traveling to the clinic take time, and research shows that health care is one of the first tradeoffs women make when they're too busy.

In places like India with smartphones, there's an app now for women if they're in a violent situation, they can press one button. They've given their cell-phone number to five trusted friends, and right away their GPS location goes out: "Here I am."

I went to business school, and I went straight from that to a nine-year career at Microsoft. Eventually, I ran a big chunk of the consumer products division for Microsoft.Then I left with the birth of our first daughter because Bill and I both wanted to have a few kids.

You are indebted to life until you help some less fortunate person, just as you were helped.

Government funding that's coming from the United States is making a huge difference on the ground in the developing world. It's really palpable - it's making a huge difference saving lives.

After a number of years dating, we decided we were good partners.