Attack that was actually exploited in the wide from Russian Government few months later.
@emanuele was looking for "something on #Firefox that is tracking on you with no choice" and in fact you do not even have a way to disable #JS and re-enable it with one click on a per #Web site base (like you have even on #GoogleChrome ! ! !).
Also Emanuele, you should consider that if people around you and people like you are tracked and profiled by #Google because of default firefox's settings (like default search engine), the end result is that you can still be manipulated and influenced through them.
That's why defaults should be #privacy friendly by default.