| http://www.w3.org/ns/prov#value | - Any means known in the art may be employed to pass such information. [0109] The content served by ad selection node 140 may be in the form of a portion of or a complete hypertext markup language (HTML) web page, a portion of or a complete web page containing dynamic content as might be provided by a technology such as Flash, an advertising tag or banner for a networked service such as instant mess
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