Sorry if I wasn't clear.
The difference is that Google, Facebook, et al are opt-in. The NSA offers you no such choice.
The difference is that Google, Facebook, et al are opt-in. The NSA offers you no such choice.
With the remarkable penetration of things like google analytics and the ilk, this may not be quite that simple.
Don't give us this crap that there is a difference between the two when your point is so self-defeating.