The site will stay up for as long as it has a place in people's minds.

They were expressing great strength that they wouldn't let these things worry Londoners. I thought it would be great to have a place where people could share these feelings.

We had one from China,

There's a lot of people from the States and from Madrid who feel a kinship and deeper understanding of what we have been going through.

[Two hours after that,] we became inundated, ... We weren't prepared for it ... the images were just coming in, people were finding the site and posting comments.

I have to work hard to be punctual, to not lose my temper, take direction and be told what to do - and most of all listen rather than talk.