Ad server system with click fraud protection
US7734502 Патенты
An ad server system takes into consideration information about a user who clicks on an ad in determining whether to charge the advertiser for the click event, and/or in determin ing an amount to charge the advertiser. In one embodiment, unless the user is recognized, the advertiser is not charged for the ad selection event. Thus, advertisers do not have to pay the ad placement provider when the users who click on their ads are not recognized. If the user is recognized, the ad server system may determine whether and/or how much to charge the advertiser based on information about the recognized
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