The user interfaces, methods and systems described herein facilitate user interaction with an ad space by conveying additional advertising content via a preview pane and facilitate charging for this functionality. By way of example, a user is provided with one or more ads from a plurality of different advertisers in a first ad space maintained by an ad space supplier. A user input identifying at least one of the ads from the plurality of different advertisers is received and in response a second ad space having a supplemental ad relating to the at least one ad identified by the user input is provided. The advertiser associated with the supplemental ad is charged a fee based on receiving the user input. By way of another example, an electronic advertisement may be conveyed to a user in an ad space provided by a third party. A secondary advertisement providing associated information relating to the electronic advertisement may occur upon receiving a user indication. A monetizing component is available to determine the price of the electronic advertisement and/or the secondary advertisement.
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