Exclusive or elitist events, activities, education. Also how people dress and hold themselves is often a good indicator (most refer to this as class). The obvious question of what do u do is very effective at filtering out the low lives. Also networks and who you know is the real value in the inheritance not the money or assets. From a young age your taught to network and figure these things out without being too explicit and to find the people that will be successful before they are successful and if they are playing a similar game it snowballs from there.