| 摘要 |
Promoted listing are generated and transmitted to client devices where they are displayed prominently in relation to non-promoted listings. The client devices record tracking data that indicates that a particular promoted listing has been displayed to and/or selected by a user. The tracking data is sent from the client device to a content distribution system that aggregates tracking data from multiple client devices, generates reports and/or bills based on the tracking data, and supplies the reports and/or bills to content providers associated with the promoted listings.
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