A pair of economists analyzed data aggregated from smartphone tracking apps to see how long Americans spent at Thanksgiving dinner and how far they traveled to get there, and compared it to precinct-level voting data and data on the intensity of election advertising spending targeted to the subjects, and concluded that “Cell-tracking shows that mixed-party families had shorter 2016 Thanksgivings, an effect exacerbated by political advertising.”

from Boing Boing https://boingboing.net/2017/11/13/racist-facebook-uncles.html