While this didn't fulfill its potential it was a useful addition to the plenary sessions and thought should be given to how this can be enhanced. I have followed up this tool and it has much to offer in terms of linking ideas and showing the development of the arguments. In this instance it was too abstract, perhaps it would be better placed as an interactive tool in the networking areas to support the plenary sessions. I would add my support for more use of the Twitter stream to give immediate feedback. I think we should keep tools like debategraph but think about how best to use it.