I've had privacy circles in Appleseed since about 2006. You might want to check it out: http://opensource.appleseedproject.org http://opensource.appleseedproj

I've had privacy circles in Appleseed since about 2006. You might want to check it out: http://opensource.appleseedproject.org http://opensource.appleseedproject.org Although the circles aren't auto-generated, the user creates them.