Thx Ellipse :)
It works under my system , I didn't double check it under different OS , sorry.
Also to add 2 cents , This explanation makes sense , I mean about negative Ion production.
Ozone only kills bacteria but at the same time it adds more positive stuff. We have a lot of that crap already in air because of radio waves , wifi , electronics ,microwaves etc. etc.
I am quite sure that this the case but it would be cool if someone with good physics background confirms that.