diff --git a/Doc.md b/Doc.md
index d5e903c..6d7d577 100644
--- a/Doc.md
+++ b/Doc.md
@@ -28,6 +28,7 @@ Note: these links are to the 'trunk' (latest) versions of the documentation. See
  * [Capabilities](Capabilities) what are capabilities; the different kinds that we currently use
 
 ## Presentations / Papers
+ * <http://tahoe-lafs.org/trac/tahoe-lafs/attachment/wiki/News/tahoe-RSA-slides.pdf> presented at RSA 2010
  * [Tahoe – The Least-Authority Filesystem](http://tahoe-lafs.org/~zooko/lafs.pdf) presented at [Storage Security and Survivability '08](http://storagess.org/2008)
  * [Tahoe: A Secure Distributed Filesystem](http://tahoe-lafs.org/~warner/pycon-tahoe.html) presented at
    [PyCon2008](http://us.pycon.org/2008/about/),