For those of you curious what Facebook’s academic psychological experiment was like, you can now recreate it on your_own account_with the Facebook Mood Manipulator Chrome plugin from artist Lauren McCarthy. According to McCarthy, the plugin uses the same Linguistic Inquiry Word Count that Facebook used in its study, which was conducted with researchers from Cornell University. The Mood Manipulator, which shows up on the top right section of the screen when you visit Facebook, provides toggles for Positive, Emotional, Aggressive and Open content. When I gave the plugin a quick try on my own Facebook account, my friends’ posts tended...

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