I'm not sure what you mean by that. I installed Ad-Block on Firefox almost two years ago. I don't even realize I have it until I go on somebody else's computer.

I'm not sure what you mean by that. I installed Ad-Block on Firefox almost two years ago. I don't even realize I have it until I go on somebody else's computer. It's literally never said a word to me; it just quietly blocks ads on any site I visit.