| 摘要 |
The present invention provides methods for determining which ads to present to a user An embodiment of the method comprises identifying one or more ads, at least one of the identified ads associated with a video For each identified ad, a first score is calculated The first score for the identified ad associated with the video is calculated based on one or more metrics representing user interactions associated with viewing the video In one embodiment, the score for the ad associated with the video will be better (e g, higher) the more viewers of the video hosting service interact with the as-sociated video, since such interactions thereby indicate a higher over level of viewer interest in the video The one or more selected ads are transmitted to a device for presenting to the user
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