This makes perfect sense. Cat people are shady like their cats. Dog people on the other hand... 

https://twitter.com/cnn/status/831699561651515392 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
My theory: cats do equality, dogs do hierarchy. People differ similarly. Discuss #catademics #moreresearchplease
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.