Outdated book and interfaces.

diff --git a/00.intro/00.intro.xml b/00.intro/00.intro.xml
index d479935..4d6a6e3 100644 (file)
--- a/00.intro/00.intro.xml
+++ b/00.intro/00.intro.xml
@@ -73,4 +73,22 @@ license and send it to mainline. And maintain it even after it's there.
 </para>
 </foil>
 
+<!--
+<foil>
+TODO: talk about linux versions, we have a very good odt for that
+</foil>
+-->
+
+<foil>
+<title>Outdated book</title>
+<para>
+Since Linux is in constant change, the book is already outdated. It's almost
+five years old.
+</para>
+<para>
+One example of outdated interface is the workqueue, whose updated functions we
+will see later.
+</para>
+</foil>
+
 </slides>