An Exploration of Social Identity:The Geography and Politics of News-Sharing Communities in Twitter Cite as:Amaç Herdağdelen, Wenyun Zuo, Alexander S. Gard-Murray, and Yaneer Bar-Yam, An exploration of social identity: The geography and politics of news-sharing communities in Twitter, Complexity 19: 10-20 (2013). AbstractThe importance of collective social action in current events is manifest in t