Leaked cellphone data from the siege at the Capitol demonstrates how advertising IDs can be used to identify and track the movement of specific individuals (New York Times)

New York Times:
Leaked cellphone data from the siege at the Capitol demonstrates how advertising IDs can be used to identify and track the movement of specific individuals  —  Times Opinion was able to identify individuals from a trove of leaked smartphone location data.  —  Mr. Warzel and Mr. Thompson are writers in Opinion.