This has been one of the longstanding unfilled user needs. We saw a search need where we weren't providing users with the highest-quality results that we could.

I think that there is a generational change, where new generations that have grown up always having access to the internet have a somewhat different view in terms of personal information and what needs to be kept private.

Management is defense. You basically say, 'This is the direction; this is where we're heading,' and then it's my job to get everything else out of the way. All the other things that can become a distraction keep us from executing well. Get those out of the way, because the team ultimately needs to run in that direction and execute well.

Before Google, I spent the summer building a program that would look at what websites you would go to and what websites other people would go to - and built a collaborative filtering program that helped you find related sites to look at.

I think Google should be like a Swiss Army knife: clean, simple, the tool you want to take everywhere.

You can't have everything you want, but you can have the things that really matter to you.