| 摘要 |
A targeted advertising system comprising an interface unit ( 110 ) configured to receive broadcast transmissions, a primary broadcast stream ( 101 ) for broadcast programming, a secondary broadcast stream ( 105 ) for targeted advertising content, and a storage device ( 115 ) for storing the targeted advertising content. The method comprises presenting a targeted advertising content to a user including receiving a primary broadcast stream ( 101 ), receiving a secondary broadcast stream ( 105 ), storing a portion of the secondary broadcast stream in a storage device ( 115 ), and presenting a targeted advertising stream to the user, which may be selected based on a user parameter.
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