3. A method in a computing device for automatically identifying keywords for advertisement placement, the method comprising: extracting one or more keywords from a data feed, the data feed providing information about one or more content data; for each extracted keyword, identifying, facilitated by a computer processor, a category of products to advertise with the extracted keyword from among a plurality of categories of products, the products being related to the keyword but the category being independent of a subject of the keyword, the identification based at least in part on (1) an expected benefit of advertising in a first of the plurality of categories of products and (2) at least one attribute of text contained in at least one product of a second of the plurality of categories of products, the identification including selecting from among the first and the second of the plurality of categories of products based at least in part on scores determined for the expected benefit and the text, the scores normalized to facilitate comparison; generating a link for a landing page for the extracted keyword, the landing page for displaying search results of a query of the identified category based at least in part on the extracted keyword; and generating a creative for the extracted keyword; and submitting to an advertisement placement service an extracted keyword, the link for the extracted keyword, and the creative for the extracted keyword.
3. A method in a computing device for automatically identifying keywords for advertisement placement, the method comprising: extracting one or more keywords from a data feed, the data feed providing information about one or more content data; for each extracted keyword, identifying, facilitated by a computer processor, a category of products to advertise with the extracted keyword from among a plurality of categories of products, the products being related to the keyword but the category being independent of a subject of the keyword, the identification based at least in part on (1) an expected benefit of advertising in a first of the plurality of categories of products and (2) at least one attribute of text contained in at least one product of a second of the plurality of categories of products, the identification including selecting from among the first and the second of the plurality of categories of products based at least in part on scores determined for the expected benefit and the text, the scores normalized to facilitate comparison; generating a link for a landing page for the extracted keyword, the landing page for displaying search results of a query of the identified category based at least in part on the extracted keyword; and generating a creative for the extracted keyword; and submitting to an advertisement placement service an extracted keyword, the link for the extracted keyword, and the creative for the extracted keyword. 6. The method of claim 3 wherein the identifying of the category is based at least in part on occurrences of the extracted keyword in a collection of documents.