| 摘要 |
A method, system, apparatus and medium are directed to advertising over a network. A server receives a product feed from at least one client device. If a product in the product feed is at least one of newly available and competitively priced and not currently stored and active in a data store of the server, creating or resuming at least one keyword and an advertisement for the product; and sending the created keyword and advertisement to a search engine over an advertisement placement network protocol. If the product is determined to be discontinued or unavailable, or if it is determined that a product price is at a threshold relative to a competitor's price, pausing at least one of: the creation or sending of the keyword or advertisement; or displaying of a paid search result for the product. A savings in an advertisement fund based on the pausing is realized.
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