and the ones, where you click on a link, it openes in a new tab and the original tab gets replaced with an ad.. so you close an ad, and lose all your "back" his

and the ones, where you click on a link, it openes in a new tab and the original tab gets replaced with an ad.. so you close an ad, and lose all your "back" history. Also, real-life ads need regulation too... like some limits of X square meters of ads per 1 km^2 of area... preferably X going slowly towards zero.