I've seen pages where the Text Ads have the same Style as the overall page. The only thing that sets the Ad apart is a small grey text 'Ads' or the like. I've

I've seen pages where the Text Ads have the same Style as the overall page. The only thing that sets the Ad apart is a small grey text 'Ads' or the like. I've may have seen far more of such pages. But obviously i can't tell since they're near-impossible to spot the Ads. The trend is keeping things "by the book" from search engines point of view, And manipulate humans in subtle ways by confusing contents and ads.