https://www.washingtonpost.com/wp-apps/imrs.php?src=https://arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/BFLL7ZGGCJAQJJPVUO37ZLMUYQ.jpg&w=1440

“On Tuesday, a company called Unacast that collects and analyzes phone GPS location data launched a “Social Distancing Scoreboard” that grades, county by county, which residents are changing behavior at the urging of health officials. It uses the reduction in the total distance we travel as a rough index for whether we’re staying put at home.”

Source : These maps use phone data to track social distancing – The Washington Post