Check out our new web app showing near-real time population movement through the lens of social media (twitter) data during the COVID-19 Crisis (more statistical analyses will follow). http://gis.cas.sc.edu/GeoAnalytics/COVID19.html
And our new post for some comparison analysis: http://gis.cas.sc.edu/gibd/how-our-collective-efforts-of-fighting-the-virus-are-reflected-on-maps/
