diff -r d94532448ec8 -r be2d568644f6 slides/slides01.tex
--- a/slides/slides01.tex	Sun Sep 14 12:59:23 2025 +0100
+++ b/slides/slides01.tex	Wed Sep 17 14:29:52 2025 +0100
@@ -205,7 +205,7 @@
   
 %   \item on 20 July 2016 the \textbf{Stack Exchange} webpage went down
 %     because of an evil regular expression
-%     \here{https://stackstatus.net/post/147710624694/outage-postmortem-july-20-2016}    
+%     \here{https://stackstatus.tumblr.com/post/147710624694/outage-postmortem-july-20-2016}    
 %   \end{itemize}
   
 %   \begin{textblock}{6}(6,7.6)
@@ -1133,7 +1133,7 @@
   
   \item on 20 July 2016 the \textbf{Stack Exchange} webpage went down
     because of an evil regular expression
-    \here{https://stackstatus.net/post/147710624694/outage-postmortem-july-20-2016}    
+    \here{https://stackstatus.tumblr.com/post/147710624694/outage-postmortem-july-20-2016}    
   \end{itemize}
   
   \begin{textblock}{6}(6,7.6)