US map (that can be sorted by term) that highlights regional usage of various spurious terms via Twitter.
http://users.humboldt.edu/mstephens/hate/hate_map.html#
Sorting through some of these terms brought two revelations to mind.
1- Wetback is clearly a Texas-centric term, yet I rarely hear it. Must be more fun on Twitter.
2- Montana/North Dakota border: what is your problem with disabled people?