2 ms·
A properly targeted ad is useful. By definition, if the ad works on you then it did something useful for both the advertiser and the person who saw the ad. Ads
by chrischen 14y ago
A properly targeted ad is useful. By definition, if the ad works on you then it did something useful for both the advertiser and the person who saw the ad.
Ads obviously sometimes work, or else no one would do ads.