Alison Jackson

You can watch a little bit of war from your nice living room - 30 seconds of what's going on in Syria - and when you've had enough, switch over to some celebrity programme. We live our life through screens and images in this way, and we don't know what is real or fake anymore. It doesn't matter.

Because Bin Laden's culture doesn't permit the worship of images, they understand how powerful images are. We wouldn't have thought of creating a visual bomb. In a way, he's chopped down two iconic buildings, and used our very truth imagery, to express himself. It's fascinating... I mean, dreadful.

What I look for when I see a piece of art for the first time is some kind of emotional, intellectual experience, that's a combination of both of those things and is informed by my knowledge and something new that I see the artist doing.