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"Facebook made headlines for a recently published\u00A0study\u00A0where it modified the emotional content of what appeared\u00A0in people's news feeds and studied the after-effect of that change on users\u2014an experiment some condemned as an intrusion and a manipulation\u00A0of unsuspecting users of the social network."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/229996/facebooks-social-experiments-appear-far-more-extensive-than-its-now-infamous-emotions-study/>