A friend is doing a PHD related to this subject. Quite an interesting video of her talking about it if you are interested: http://www.youtube.com/watch?v=kCSz

A friend is doing a PHD related to this subject. Quite an interesting video of her talking about it if you are interested: http://www.youtube.com/watch?v=kCSzjExvbTQ http://www.youtube.com/watch?v=kCSzjExvbTQ Edit: Just realised Sarah's video is referenced at the end of the Article.