Geography of Hate
Geotagged Hateful Tweets in the United States
by Dr. Monica Stephens of Humboldt State University, Arcata, CA

Association between an Internet-Based Measure of Area Racism and Black Mortality
by David H. Chae, Sean Clouston, et al.
PLOS one, DOI: 10.1371/journal.pone.0122963, April 24, 2015