| 摘要 |
Advertising templates, and request for corresponding multimedia programs that are available for distribution to third parties during a time period, are transmitted to content providers who respond by sending ad elements corresponding to the advertising templates. Daypart guides showing particular ad elements are designed for a particular headend and daypart. Each daypart guide is available to viewers serviced by the particular headend only during the time of day corresponding to the daypart. Viewers of the daypart guide select one of the ad elements each of which is navigationally linked to a display request page for the corresponding multimedia program from which the viewer can request to initiate a real time distribution thereof.
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