Facebook shrugs as ’emotional contagion’ research outrages its users

Some users saw a dash more positive items in their feeds; some received a more grim daily dose, as the researchers cut out happy tidings. The researchers’ conclusion: yes, emotional states are contagious, and no, seeing friends post happy news does not necessarily make people want to jump off ledges. The internet’s reaction: how dare you manipulate emotions without informed consent?

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Story added 1. July 2014, content source with full text you can find at link above.