| 摘要 |
<p>A site sponsoring business provides information on topics users participating in bulletin boards/chat sites are interested in, and also provides schemes in which provided sites cover diversified notifying advertisement media and one site can earns advertisement revenues from a plurality of clients. Notifying advertisements, wherein advertisers (clients) provide means of notifying topics to target users by using words relating to business commodities/services, and users using electronic bulletin boards/chats can click on the words whenever the words appear in topics on the bulletin boards/chats.</p> |
