It has been discussed to death here why what they do is evil. If you want a security expert's opinion, read Bruce Schneier's blog, and if you are inclined to l

It has been discussed to death here why what they do is evil. If you want a security expert's opinion, read Bruce Schneier's blog, and if you are inclined to learn more about the ethics, this page is great: http://cs.stanford.edu/people/eroberts/cs201/projects/ethics-of-surveillance/index3.html http://cs.stanford.edu/people/eroberts/cs201/projects/ethics...