Question, to what extent do they care?
They are looking for terrorists and other gov. threats.
They don't care about the rest. %99.999999999999999999999+++++
of it is white noise.
there aren't enough CIA/FBI etc guys to listen!
It runs through super computers using voice recognition
software and looking for "key words" and patterns.
Hey, they gotta do what they gotta do.
There was a program about the NSA on The History Channel
here.(Not one of those crazy conspiracy shows)
One ex FBI employee said (paraphrasing here) that if
they had been using the capabilities and methods used
now back in 2000, they probably would have prevented 9/11.
But of course an ex employee would say something like
that. Not an impartial source.