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20 Thoughts On Facebook's News Feed Experiment Apology

Facebook Chief Operating Officer Sheryl Sandberg has apologized for an experiment that manipulated more than 600,000 users' news feeds in 2012. Frank Franklin II/AP hide caption

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Frank Franklin II/AP

Facebook Chief Operating Officer Sheryl Sandberg has apologized for an experiment that manipulated more than 600,000 users' news feeds in 2012.

Frank Franklin II/AP

Facebook Chief Operating Officer Sheryl Sandberg has apologized over an experiment that manipulated more than 600,000 users' news feeds in 2012. Are we upset at the findings of the study, or upset that the study was done without our consent? And do we necessarily realize all of the studies performed on us every day?

NPR's Shankar Vedantam, who reports on human behavior, weighs in: