We use anonymized and aggregated data from Facebook to explore the spatial structure of social networks in the New York … related to past migration movements …

We use anonymized data from Facebook to construct a new measure of the pairwise social connectedness between 180 …

links on Facebook, the world's largest online social networking service. Within the U.S., social connectedness is strongly … connectedness is also associated with more cross-county migration and patent citations. Social connectedness between U.S. counties … and foreign countries is correlated with past migration patterns, with social connectedness decaying in the time since the …

anonymized social network information from Facebook with housing transaction data and a survey. We first show that in the survey …

US elections in a social network of 2.2 million politically-engaged Twitter users. Consistent with the model, we find …