| 摘要 |
Methods, systems, and computer programs encoded on a computer storage medium include for an ad to be displayed on a web page, providing a first user input field that is selectable by a user viewing the ad. Upon detection of actuation of the user input field for the ad, providing display data representing a second user input field by which a user can enter feedback information regarding the ad is provided, the second user input field comprising a portion configured to receive input from the user regarding a specific portion of the ad. There is received feedback information regarding the ad that has been entered using the second user input field. The feedback information is stored in association with the ad.
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