I have had a lot of setbacks that I have learned from.

Engineering is a jeans and hoodie culture, and sales is more formal.

As a kid growing up, this was sometimes a little bit intimidating to have a mom who was always, like, speaking up and always saying something that might be kind of controversial . . . . The thing I think that we got out of that that was really good was, like, we weren't afraid to make waves.

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.

We are a consumer company and our success is directly linked to our users trusting us. Therefore we have the same incentive as the user: they want to see relevant advertising so their experience of Google is positive and we want to deliver it.

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.