Patent ID: 7685019

Claim:
A method for selecting advertisements for delivery, the method comprising: electronically retrieving one or more click through rates associated with one or more advertisements within a group of advertisements wherein the click through rates are retrieved from a computer readable medium; selecting a normalizing algorithm from a plurality of normalizing algorithms based on a threshold value, the threshold value comprising a number of advertisements in the group of advertisements; electronically normalizing, by a processing device, the click through rates associated with the one or more advertisements within the group of advertisements using the selected normalizing algorithm based on the threshold value; electronically assigning, by the processing device, weights to the one or more advertisements within the group of advertisements based upon the normalized click through rates; electronically storing the weighted advertisements on the computer readable medium; selecting at least one advertisement based on the weights assigned thereto, where the weights are determined based upon the normalized click through rates; and electronically distributing advertisements according to the one or more advertisements' associated weights in response to one or more requests for advertisements.