Surprise! Facebook doesn't like privacy countermeasures
www.jwz.org/blog/2011/09/surprise-facebook-doesnt-like-privacy-countermeasures
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
If it hadn't occurred to you yet that Facebook cares far more about the "Like" buttons that you don't click than about the ones that you do -- there you go