Network visualization of candidates in the U.S. 2010 midterm elections. Each node (or dot) represents a candidate. Blue corresponds to Democrats, red to Republicans, and yellow to Tea Party members. Edges (or lines) correspond to connections (e.g., follower/followee relationships) on Twitter. Purple edges connect liberal and conservative candidates. Nodes are sized by the number of connections. From "The Party is Over Here: Structure and Content in the 2010 Election," by Avishay Livne, Matthew P. Simmons, Eytan Adar, Lada A. Adamic. ICWSM'11, Barcelona, Spain, July 17-21, 2011.