"A sweeping exposé of the U.S. government's alliance with data brokers, tech companies, and advertisers, and how their efforts are reshaping surveillance and privacy as we know it. Our modern world is awash in surveillance. Most of us are dimly aware of this-ever get the sense that an ad is "following" you around the internet?-but we don't understand the extent to which the technology embedded in our phones, computers, cars, and homes is part of...