| 摘要 |
A computing device to provide want advertisements (want ads) to a plurality of want ad responders in an online marketplace comprising a processor to execute instructions and a memory coupled with the processor. The memory stores instructions cause the processor to generate the online marketplace. The online marketplace includes a want ad responder interaction module, a want ad submitter interaction module, and a want tracker module. The want tracker module is configured to match want trackers with want ads based on details in the want ads and details in the want trackers, and automatically rank the matching want trackers. The want tracker module automatically grants marketplace privileges want ad responders having matching want trackers based, at least, on their respective want trackers' rankings, and charges a fee, that is at most an amount associated with each want tracker, to the want ad responders that were granted marketplace privileges.
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