• Great defriending of Facebook http://www.dailydot.com/business/facebook-newsfeed-content-spam/ 2 comments 4/6/2013
• Who Has Defriended You? Facebook's New Timeline Will Tell http://www.pcmag.com/article2/0,2817,2393528,00.asp#fbid=C7BQ853FHXD 19 comments 24/9/2011
• Defriend Alert http://www.defriendalert.com/ 2 comments 7/3/2011
• Defriending Facebook: A year and a half of research on Facebook privacy http://cristinajcordova.com/post/663779885/defriending-facebook 4 comments 4/6/2010

• The great defriending of Facebook http://www.dailydot.com/business/facebook-newsfeed-content-spam/ 100 comments 4/6/2013 technology
• [STUDY] Facebook Defriending is on the Rise http://www.readwriteweb.com/archives/study_facebook_unfriending_is_on_the_rise.php 3 comments 24/2/2012 technology
• Is my Facebook page a liberal echo chamber? After I defriended an old acquaintance, I had to wonder: Why have I grown so intolerant of any dissent? http://www.salon.com/2011/10/22/is_my_facebook_page_a_liberal_echo_chamber/ 9 comments 22/10/2011 politics
• The end of the line for silicon? -- Silicon chips can't keep getting smaller forever, but will we be crunching data and defriending people on quantum/graphene thingies any time soon? http://www.abc.net.au/science/articles/2011/09/26/3321963.htm 5 comments 26/9/2011 science
• Today is Defriend Day (on Facebook) http://www.infowars.com/today-is-defriend-day-on-facebook/ 3 comments 4/3/2011 reddit.com
• To Deal With Obsession, Some Defriend Facebook http://www.nytimes.com/2009/12/21/technology/internet/21facebook.html?em 5 comments 22/12/2009 reddit.com