We are not far off AR-type scenarios where someone in public is overlaid with info about them and their interests. Keen on that girl? It instantly tells you she

We are not far off AR-type scenarios where someone in public is overlaid with info about them and their interests. Keen on that girl? It instantly tells you she likes a particular band and movie genre, giving you quick access to small talk cues. Or that she never mentions a boyfriend online. Or that the guy about to get off the subway earlier thanked his friend for giving him that money he owed him.