Homophily (from Ancient Greek ὁμός (homós) 'same, common' and φιλία (philía) 'friendship, love') is a concept in sociology describing the tendency of individuals to associate and bond with similar others, as in the proverb "birds of a feather flock together".[1] The presence of homophily has been discovered in a vast array of network studies: over 100 studies have observed homophily in some form o