I've literally been writing about these scenarios for years. Was dismissed as alarmist, anti-data, etc. http://firstmonday.org/article/view/4901/4097 …https://twitter.com/whataboutzana/status/826068269224177664 …
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
It should be testable w/out micro data, bc micro targeting should leaving pretty clear traces in observable data, like voting
It might be. they claim (and some independent corroboration) they tried to demobilize young black men. That group did drop. +
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.