There are unlimited opportunities for display advertising. In fact, we're in the process of massive change in the display industry - how it's bought, how it's sold, and how it's targeted.

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

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

Many women assume they can't be good mothers and have challenging careers at the same time, so they might give up trying to do both as they get to a crucial point in their career. Although it can be hard at times, it's important for women to recognize the benefits of working outside the home.

Right now, offline and online are coming together because of smartphones.

Today, most young women are exposed to technology at a very young age, with mobile phones, tablets, the Web or social media. They are much more proficient with technology than prior generations since they use it for all their school work, communication and entertainment.

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.

Learning to code makes kids feel empowered, creative, and confident. If we want our young women to retain these traits into adulthood, a great option is to expose them to computer programming in their youth.

Work smart. Get things done. No nonsense. Move fast.

I'm excited about the opportunities with mobile phones and being able to receive information on the go and relevant to what I'm doing at that moment in time.

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

At the end of the day, both men and women who become CEOs have showed tenacity and hard work to succeed in their careers. It takes not just skills but also extreme dedication and commitment. And regardless of gender, CEOs are measured by the same criteria - the growth and success of the business.

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.

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