Sam Machkovech, Facebook helped advertisers target teens who feel ‘worthless’ , in Ars Technica, 30 April 2017. [Online]: https://arstechnica.com/business/2017/05/facebook-helped-advertisers-target-teens-who-feel-worthless/ No surprises here, a quick discriminative filter could show who was depressed vs not, perhaps using something as simple as Naïve Bayes would probably work. Then I read that Facebook sells this data to advertisers instead of getting depressed teens some help. Eff you Facebook! Just last month, I wrote ‘ STOP USING FACEBOOK SERVICES ’. That advice still holds. Matt Inman, You’re not going to believe what I’m about to tell you , in The Oatmeal, 2 May 2017. [Online]: http://theoatmeal.com/comics/believe An interesting read about the backfire effect. Mike Masnick, Don’t get fooled: The plan is to kill net neutrality while pretending that it’s being saved , in Techdirt, 3 May 2017. [Online]: https://www.techdirt.c...