--- a/ecp/ecoop_paper.tex	Wed Jun 26 21:40:33 2019 +0100
+++ b/ecp/ecoop_paper.tex	Sat Jun 29 12:15:17 2019 +0100
@@ -166,7 +166,7 @@
 
 This exponential blowup sometimes causes real pain in real life:
 for example on 20 July 2016 one evil regular expression brought the
-webpage \href{http://stackexchange.com}{Stack Exchange} to its knees \cite{SE16}.
+webpage \href{http://stackexchange.com}{Stack Exchange} to its knees \footnote{https://stackstatus.net/post/147710624694/outage-postmortem-july-20-2016}.
 In this instance, a regular expression intended to just trim white
 spaces from the beginning and the end of a line actually consumed
 massive amounts of CPU-resources and because of this the web servers