A Mapbox map using feature-state to recreate NYT's piece about connectedness in America: https://www.nytimes.com/interactive/2018/09/19/upshot/facebook-county-friendships.html?smid=tw-upshotnyt&smtyp=cur
Learn more about feature-state: https://blog.mapbox.com/going-live-with-electoral-maps-a-guide-to-feature-state-b520e91a22d