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

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.

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.

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.

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

Things are always changing. Part of being successful here is being comfortable with not knowing what's going to happen.

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.