Originally published on Wed July 2, 2014 6:25 pm
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: