With AR or HUD eyeglasses, there could be a stealthy app for interviewees, which does facerec of the interviewer across from you, quickly scours the Web for things they've written or been indoctrinated in during formative early career, for whatever pop psych, management fad, or astrological litmus tests they'll likely believe in for hiring, and then discreetly directs what notes to hit, outlines example 'life' stories, prompts when to make a particular facial expression, etc.