google basically matches phrases and keywords to relevant adverts using mainly its pagerank system. It then displays these adverts (usually small text based ads) and charges the advertiser via pay per click or pay per impression. A high percentage of googles revenue is made from adsense.
As a webmaster you can sign up have these adverts displayed on your site and earn a small commision per advert.
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google basically matches phrases and keywords to relevant adverts using mainly its pagerank system. It then displays these adverts (usually small text based ads) and charges the advertiser via pay per click or pay per impression. A high percentage of googles revenue is made from adsense.
As a webmaster you can sign up have these adverts displayed on your site and earn a small commision per advert.