The near real-time information about human movement provided by aggregated population mobility data has tremendous potential to help refine interventions when appropriate legal, organizational, and computational safeguards are in place. As the private sector, policymakers, and academia work together to leverage novel sources of data to track the spread of the pandemic, Randall Harp, Laurent Hébert-Dufresne, and Juniper Lovato from the University of Vermont argue that anonymization at the individual level is insufficient– the notion of privacy should extend to communities as well.