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  • Researcher apologizes for Facebook study in emotional manipulationadd to reading list  

    Posted on June 30, 2014 at 4:20 PM

    Updated Tuesday, Jul 1 at 5:33 PM

    A Facebook data scientist is apologizing for a study that angered many Facebook users by trying to manipulate their emotions based on the posts they saw in their News Feeds.

    By Michael Roppolo / CBS News