People at different stages of their lives are doing different things, and they're all using Google.

From phones to cars to medicine, technology touches every part of our lives. If you can create technology, you can change the world.

My most radical shift was leaving Intel and joining Google, a small startup at the time, even though I was pregnant.

Rarely are opportunities presented to you in a perfect way. In a nice little box with a yellow bow on top. 'Here, open it, it's perfect. You'll love it.' Opportunities -- the good ones -- are messy, confusing and hard to recognize. They're risky. They challenge you.

The main motivations were to try to leverage Google's expertise with large computer systems and to try to give something back to science

I have tried to be a leader. I have tried in my role of being one of the first women at Google, let alone the first woman to have a baby, to really try to set the tone that this is a great place to work for diversity reasons.

I love taking an idea... to a prototype and then to a product that millions of people use.