^Ferguson, Niall. The False Prophecy of Hyperconnection. Foreign Affairs. August 15, 2017 [October 1, 2017]. (原始内容存档于2018-05-01). At the same time, birds of a feather flock together. Because of the phenomenon known as “homophily”, or attraction to similarity, social networks tend to form clusters of nodes with similar properties or attitudes.
^McPherson, M.; Smith-Lovin, L.; Cook, J. M. Birds of a Feather: Homophily in Social Networks. Annual Review of Sociology. 2001, 27: 415–444. doi:10.1146/annurev.soc.27.1.415.
^Retica, Aaron. Homophily. New York Times. 10 December 2006 [2020-06-26]. (原始内容存档于2018-06-15).