Let's face it: Engineering companies in general have more men than women. Google has tried really hard to recruit women. On the other hand, we have a standard. Google tries to recruit the best engineers.

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

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.

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.

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.

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.

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.