Strangely enough when the Sugababes' 'Freak Like Me' went to number 1 which was built around my 'Are 'Friends' Electric' song I had another song called 'Rip' go to number 1 in the Kerrang TV chart so I was pulling new people in from very different areas of musical interest. That was quite an amazing week.

I mean we've built a lot of products that we think are good and will help people share photos and share videos and write messages to each other. But it's really all about how people are spreading Facebook around the world in all these different countries. And that's what's so amazing about the scale that it's at today.

I tour alone. There's no sound check no back up. I stay with the hosts I am in a family home and it's really nourishing. I just have to remember after the show not to run out into the living room in my pyjamas. Every day it's a new relationship being built. It's odd and wonderful.

For me the Anita series is built like a mystery series which means that as much as possible each book stands alone so you have a mystery to solve from the beginning to the end of the book.

I've also seen that great men are often lonely. This is understandable because they have built such high standards for themselves that they often feel alone. But that same loneliness is part of their ability to create.

Old age realizes the dreams of youth: look at Dean Swift in his youth he built an asylum for the insane in his old age he was himself an inmate.