> ... just has not materialized. I don't think we comfortably know that yet. For one, software takes a bit to diffuse into the public usage, secondly if you w

> ... just has not materialized. I don't think we comfortably know that yet. For one, software takes a bit to diffuse into the public usage, secondly if you were the victim of blackmail or some other such criminal activity that was perpetrated with the use of such a system you wouldn't raise your hand immediately -- you'd get clear of the problem -- and then afterwards depending on how embarassing the situation is you'd speak out publicly. Many victims will never identify the methods used, and most will never speak out publicly. In other words, systems like this could be being used to harass people and it'd take a bit of time before 'the public' was ever very aware of it being an ongoing problem.