diff --git a/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md b/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md
index f604341..060ea49 100644
--- a/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md	
+++ b/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md	
@@ -45,4 +45,4 @@ The above occurred with Adblock Plus with _EasyList_ + _EasyPrivacy_ enabled. No
 
 AddThis and many other 3rd-parties which purpose is to data-mine you will be foiled by blocking 3rd-party `<iframe>` tags (even more so if blocking 3rd-party `<script>` tags).
 
-By blocking 3rd-party `<iframe>` tags, you don't have to [ask them permission to opt-out](http://www.addthis.com/privacy/opt-out) of something you did not opt-in in the first place. ("Opting out" is a joke anyways, [see _"The web never forgets"_ (PDF)](https://securehomes.esat.kuleuven.be/~gacar/persistent/the_web_never_forgets.pdf), section 6.2)
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+By blocking 3rd-party `<iframe>` tags, you don't have to [ask them permission to opt-out](http://www.addthis.com/privacy/opt-out) of something you did not opt-in in the first place. ("Opting out" is a joke anyways, see [_"The web never forgets"_ (PDF)](https://securehomes.esat.kuleuven.be/~gacar/persistent/the_web_never_forgets.pdf), section 6.2)
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