At the State University. Humboldt students chose twists containing words that are typical of racist and homophobic. Noted geolocation tags and apply these data to the U.S. map. In total sample consisted of about 150,000 entries in Twitter.
The results showed that Americans of the southern states are more prone to racism than the northerners. But homophobia pronounced in the east. Such a map is called Geography of Hate (Geography hatred). You can find it on the website of the university.