I dont remember anything in the snowden docs about the NSA trying to track the movement of all american citizens.
Comparing what the NSA does to what China does is like comparing the treatment of women in the US and Saudi Arabia
Comparing what the NSA does to what China does is like comparing the treatment of women in the US and Saudi Arabia
Why do you have so much certainty? What evidence can you provide that they use or currently plan to use these techniques domestically for widespread tracking?