| 摘要 |
The present invention involves a computer program, a system and a method that includes the steps of specifying a request, related to at least one of a plurality of contexts, for service, receiving via a device advertising information associated with an offered service and presenting the advertising information to a user of the said device if the offered service matches the request and its contexts, wherein the advertising information is presented to the user in a manner corresponding to the at least one context.
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