> "... any business objective that relies on this kind of emotional manipulation is suspect." So all modern day advertising then, that attempts to create a con

> "... any business objective that relies on this kind of emotional manipulation is suspect." So all modern day advertising then, that attempts to create a connection with the viewer/reader (as opposed to presenting bare facts). I agree that there was a process problem from the point of view of a research study but had this just been an A/B test for engagement levels, we might never have known what Facebook did.