I am really accessible.

There's kind of this real social pressure to not argue about things.

Simply having rules does not change the things that people want to do. You have to change incentive.

There's plenty of rude stuff online. People say things online that they would be ashamed to say face to face. If people could treat others as though they were speaking face to face, that would be huge.

We've seen how grassroots journalism by blogs has had an impact at various points politically, as ordinary people have amplified stories that were being ignored by the traditional press.

I worry about censorship in many parts of the world.

I still believe there is a need to open up search and it will come eventually. It is very important to challenge the current models.