Managing advertising inventory

A method of estimating advertising inventory comprising:

• accessing data indicating a cumulative amount of time that dynamic programming content associated with one or more locations in one or more computer-based content sites was presented to members of an audience during a past time period;
• estimating, based on the accessed data, a cumulative amount of time that the dynamic programming content associated with the one or more locations will be presented to members of a future audience during a future time period;
• and
• estimating advertising inventory for the one or more locations during the future time period based on the estimated cumulative amount of time that dynamic programming content associated with the one or more locations will be presented to members of the future audience during the future time period.

A computer-usable medium having a computer program embodied thereon for estimating advertising inventory, the computer program comprising instructions for causing a computer to perform the following operations:

• access data indicating a cumulative amount of time that dynamic programming content associated with one or more locations in one or more computer-based content sites was presented to members of an audience during a past time period;
• estimate, based on the accessed data, a cumulative amount of time that the dynamic programming content associated with the one or more locations will be presented to members of a future audience during a future time period;
• and
• estimate advertising inventory for the one or more locations during the future time period based on the estimated cumulative amount of time that dynamic programming content associated with the one or more locations will be presented to members of the future audience during the future time period.