If you have something that you don't want anyone to know, maybe you shouldn't be doing it in the first place.

One of the unintended negative consequences of online advertising has been the loss of value in traditional classifieds. It's simply quicker, simply easier for an end user who's online, on a broadband connection, to look things up and to figure out what they want to buy.

Find a way to say yes to things. Say yes to invitations to a new country, say yes to meet new friends, say yes to learning a new language, picking up a new sport. Yes is how you get your first job, and your next job, and your spouse, and even your kids. Even if it's a bit edgy, a bit out of your comfort zone, saying yes means that you will do something new, meet someone new, and make a difference in your life. Yes lets you stand out in a crowd, be the optimist, to stay positive, be the one everyone comes to. Yes is what keeps us all young.

I do want to emphasize that we've seen an explosion in the use of Google Maps and Google Earth for education. The earth is a special place. It is our home and it's why we're all here. And the ability to see what's really going on the earth, the good stuff and the bad stuff, at the level that you can, is phenomenal.

The biggest mistake that I made was not anticipating the rise of the social networking phenomenon.

Show us 14 photos of yourself and we can identify who you are.

Around 400 million people in the last year got a smartphone. If you think that’s a big deal, imagine the impact on that person in the developing world.