google takes keywords from its mailserver to display ads that will be relevant to you
alot of large ad companies now are tracking what you do to display relevant ads but imo it is worthless
for example....I recently got a neat receipt desk scanner
i had some questions so i googled it ...now all the major sites i go to ( fox news , cnn , yahoo , gossip sites etc... ) all are displaying ad's for me to buy a neat receipt scanner. Ive had them for about a week now straight ...totally wasting their ad dollars on me
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