Tor is/was all the rage last year for folks who really want to protect their privacy, for both legal and illegal purposes. It is/was also heavily used by people in certain middle east nations with strict internet policing to get around various blockages and to prevent their own governments from tracking them down, or outside people from getting in. Now that it is more commonly known, I expect that the blackhat hackers are moving on to other similar, but different infrastructures. But the whitehats and anyone who wishes to reduce their network serveillance by big government and/or big business can use Tor. The downside is that it generally DOES slow down things a bit, and certain types of web-media plug-ins may not work so well. The price to pay for internet anonymity! Of couse, like everything else, the NSA does have the computing power to back track you even through Tor, but Amazon, Facebook, etc do not. Yet.
