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

The reason I like my job is that I have this desire to create. I have this desire to create things and build things, and Google has enabled me to build and create things and to build products that are used by people all over the globe.

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

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.

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.

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

Google is fascinating, and the book isn't finished. I'm creating, living, building, and writing those chapters.