It was probbably a joke, but such an app could be incredibly valuable to those who were perpetually ostracized in their youth and never learned how to interact.

It was probbably a joke, but such an app could be incredibly valuable to those who were perpetually ostracized in their youth and never learned how to interact. Simple things like, "Thank him for this," or, "Tell her she's really good at that," might not even occur to some people who were never exposed to anyone who demonstrated those things.