Key points are not available for this paper at this time.
In our last Computer Graphics issue, Greg Johnson contributed an interesting survey article on collaborative visualization. Another perspective on this hard problem is discussed by Bill Hibbard in the following article. Most of you in the visualization community know Bill from his pioneering work on Vis5D and more recently VisAD. As always, I welcome your comments and thoughts on this column.
Bill Hibbard (1998) studied this question.