--- a/handouts/ho07.tex	Fri May 06 13:15:08 2016 +0100
+++ b/handouts/ho07.tex	Wed Jun 01 13:04:21 2016 +0100
@@ -38,8 +38,13 @@
 %increased message latency," Lazar notes.
 %http://orange.hosting.lsoft.com/trk/click?ref=znwrbbrs9_5-e70bx2d991x066779&
 
+%%%%
+%% canvas tracking
+%%https://freedom-to-tinker.com/blog/englehardt/the-princeton-web-census-a-1-million-site-measurement-and-analysis-of-web-privacy/
 
-
+%%%
+%% cupit re-identification attack
+%% https://nakedsecurity.sophos.com/2016/05/20/published-personal-data-on-70000-okcupid-users-taken-down-after-dmca-order/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+nakedsecurity+%28Naked+Security+-+Sophos%29
 
 \section*{Handout 7 (Privacy)}