Hello. I think there was a research paper (from the MIT?), some months/years ago, that analysed how a specific article on Wikipedia was modified, showing the slow modifications over time and a few big changes. Anyone would have an URL pointing to that article? Nicolas "Ryo" Weeger Accédez au courrier électronique de La Poste : www.laposte.net ; 3615 LAPOSTENET (0,34€/mn) ; tél : 08 92 68 13 50 (0,34€/mn)