Patent ID: 7849160

Claim:
A method for identifying an impression popularity ranking of a file in a client-server system comprising: receiving a request for a file from a client, the file having a predetermined file display duration; transmitting the file to the client; receiving a start time stamp representing a start time of an impression of the file by the client; receiving an end time stamp representing an end time of the impression of the file by the client; associating the start time stamp and the end time stamp with the file; determining a difference between the start time stamp and the end time stamp; identifying an impression duration of the file based on the determined difference between the start time stamp and the end time stamp; comparing the identified impression duration with the predetermined file display duration; identifying a first impression popularity ranking of the file when the identified impression duration is substantially equal to the predetermined file display duration; identifying a second impression popularity ranking of the file when the identified impression duration is greater than the predetermined file display duration; identifying a third impression popularity ranking of the file when the identified impression duration is less than the predetermined file display duration; and wherein the first impression popularity ranking is greater than the second impression popularity ranking and the first impression popularity ranking is greater than the third impression popularity ranking.