Zachary Blair analyzes how digital social networking—a medium that has been regarded as a vehicle to build community and advance social justice —also functions as a vehicle for segregation and a means of reproducing homonormativity. In his examination of the responses to a rash of violent neighborhood muggings allegedly committed by black queer youth in Boystown, a “gayborhood” on Chicago’s North Side, Blair interrogates the discourses that emerged on a Facebook page created to increase communication and organization among neighborhood residents and the Chicago police. In doing so, Blair highlights how digital engagements through social networks and sociospatial practices “on...