This is not new. Back in 2004! Robert O'Harrow, Jr. wrote about it in "No Place to Hide: Behind the Scenes of Our Emerging Surveillance Society." In it, he disc

This is not new. Back in 2004! Robert O'Harrow, Jr. wrote about it in "No Place to Hide: Behind the Scenes of Our Emerging Surveillance Society." In it, he discussed companies like Home Depot tracking the movement of customers with cameras, and sensors in shopping mall choke points to sniff out cell phone traffic. Corporations have been tracking this data, in this manner, for a very long time.