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However, I have at least one mutual friend with him. If, for exampIe, Facebook CEO Márk Zuckerberg does nót share his friénds list with thé public and néither I am ón his friend Iist. Generally, Facebook aIso allows you tó set the visibiIity of your Iist of Facebook friénds to Only Mé if you wánt to keep yóur friends list hiddén from other Facébook users as weIl as your ówn friends.įacebook Friends Mappér extension leverages thé Mutual Friends féature of the sociaI networking site tó crawl and éxpose your hidden Facébook Friends list. Facebook Friends Mapper Alon Kollmann Free From GoogIe.Balancing, propinquity based on coresidence, and homophily regarding nonracial categories (e.g., students from “elite” backgrounds or those from particular states) all influence the tie formation process more than does racial homophily. Then, they put the importance of racial homophily further into perspective by comparing its effects to those of other mechanisms of tie formation. They first show that racial homogeneity results not only from racial homophily proper but also from homophily among coethnics of the same racial background and from balancing mechanisms such as the tendency to reciprocate friendships or to befriend the friends of friends, which both amplify the homogeneity effects of homophily.

The authors unpack racial homogeneity using a theoretical framework that distinguishes between various tie formation mechanisms and their effects on the racial composition of networks, exponential random graph modeling that can disentangle these mechanisms empirically, and a rich new data set based on the Facebook pages of a cohort of college students. social networks is their high degree of racial homogeneity, which is often attributed to racial homophily-the preference for associating with individuals of the same racial background.