The days of you having a different image for your work friends or co-workers and for the other people you know are probably coming to an end pretty quickly. Having two identities for yourself is an example of a lack of integrity.

If Facebook were a country, it would be the 8th most populated in the world, just ahead of Japan.

It is really important for us that people understand what the strategy is and that the real approach is to make everything social, not to build a vertical approach.

When people are connected, we can just do some great things. They have the opportunity to get access to jobs, education, health, communications. We have the opportunity to bring the people we care about closer to us.

Hollywood has nothing to do with real life.

If people want change, then they will find a way to get that change. So, whatever technology they may or may not have used was neither a necessary nor sufficient case for getting to the outcome that they got to, but having people who wanted change was.

You can be so bad at so many things... and as long as you stay focused on how you're providing value to your users and customers, and you have something that is unique and valuable... you get through all that stuff.