"We've seen an explosion of efforts to create location-tracking techniques to fight the spread of COVID-19. The mobile advertising industry is legally able to obtain location data from apps installed on users' phones, and then turn around to hand that information to federal or state government agencies or to private parties. This is a way for governments to "launder" the acquisition of location data, bypassing the use of legal process to obtain that information from cell carriers directly. Read more about What are the biggest holes in data privacy that have been exacerbated by coronavirus?
The Center for Internet and Society at Stanford Law School is a leader in the study of the law and policy around the Internet and other emerging technologies.