Patent ID: 8413181

Claim:
A cross-platform advertisement delivery system comprising: a correlation processor, wherein the correlation processor is configured with software executable instructions to cause the correlation processor to perform operations comprising: receiving content data, wherein the content data is indicative of content received by one or more devices associated with a subscriber account; processing the content data to determine one or more interest factors, wherein an interest factor is a measure of a level of interest in a subject of interest relative to all other subjects of interest; processing the content data to determine an interest velocity factor for each of the subjects of interest, wherein the interest velocity factor is a measure of a rate of change of interest in the subject of interest at a point in time; and an advertisement selection processor, wherein the advertisement selection processor is configured with software executable instructions to cause the advertisement selection processor to perform operations comprising: selecting an ad for delivery to at least one of the one or more devices associated with the subscriber account, wherein the selection is made using the interest factor; and selecting a different ad for delivery to the at least one of the one or more devices associated with the subscriber account when the velocity factor exceeds a threshold value.