7. The method of claim 5 , further comprising receiving an advertisement bid that specifies a price an advertiser will pay to have an advertisement provided with the web property.
7. The method of claim 5 , further comprising receiving an advertisement bid that specifies a price an advertiser will pay to have an advertisement provided with the web property. 8. The method of claim 7 , wherein receiving the advertisement bid comprises receiving advertisement bids that are constant for advertisements provided with any web property that has a page keyword that is relevant to the target keyword.