Investigation of the smartphone tracking industry - largely unregulated companies are logging movements of millions of people w/mobile phones. @nytimes obtained file of 50billion location pings from phones of 12million+ people

Investigation of the smartphone tracking industry - largely unregulated companies are logging movements of millions of people w/mobile phones. @nytimes obtained file of 50billion location pings from phones of 12million+ people, by @stuartathompson @cwarzelhttps://t.co/kyUwxIiPEO

— Wendy Siegelman (@WendySiegelman) December 19, 2019