diff -r 7e5174fe9816 -r 5b7d7ab6baff web/polemicaltimeline.php
--- a/web/polemicaltimeline.php	Mon May 21 18:53:02 2012 +0200
+++ b/web/polemicaltimeline.php	Tue May 22 16:47:35 2012 +0200
@@ -121,7 +121,11 @@
                     //foreign_url : "http://ldt.iri.centrepompidou.fr/ldtplatform/ldt/front/player/{{media}}/{{project}}/{{annotationType}}#id={{annotation}}",
                     container: "AnnotationsListContainer"
                 },
-                { type: "Mediafragment"}
+                { type: "Mediafragment"},
+                {
+                    type: "Trace",
+                    default_subject: "PolemicTweet-player"
+                }
             ]
         },
         player:{