发明名称 TARGETED ADVERTISEMENT SECURITY FEATURE ON A POSTAGE MEDIUM
摘要 <p>A method of providing an advertisement (816) targeted to a user trying to purchase a value stamp (808) over a communication network includes providing a medium to a user having access to a data processing system. The medium is suitable for printing a value indicium (818) thereon and has an identifier code that identifies the medium. The identifier code of the medium is received from the user to be used to purchase a value stamp. The identifier code is used to retrieve one or more advertisements (814) from a pool of advertisements that are available to be provided to the user. The retrieved one or more advertisements (816) is provided to the user.</p>
申请公布号 WO2002005101(A1) 申请公布日期 2002.01.17
申请号 US2001021214 申请日期 2001.07.02
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