15. The system of claim 11 , further comprising instructions configured to cause the processor to perform operations including: receiving a request for the web page; retrieving predictive information related to the request; converting the predictive information into one or more predictive factors for an object presented with the web page; defining a value for each of the one or more predictive factors; and generating a predictive model for the object using the one or more predictive factors.
16. The system of claim 15 , wherein the predictive information includes behavioral information and information associated with the request for the web page.