Progressive group used phone data to track protesters at anti-lockdown rallies

A progressive health care advocacy group used cellphone data to track the movements of demonstrators at lockdown protests in five states, according to a report. The Committee to Protect Medicare collected the anonymized location data from opt-in cellphone apps and data scientists at the firm VoteMap used it to determine the movements of the devices at protests in April and May in Michigan, Wisconsin, Illinois, Colorado and Florida, the Guardian reported Monday.-- More...