| 摘要 |
A method and apparatus are disclosed for providing data over data broadcasting systems to specially targeted audiences. In accordance with the invention, user classifications may be obtained for a plurality of data users. The classifications for a predetermined data content may also be obtained. Once the user and programming content classifications are obtained, the predetermined data content, the regular data content, and a mapping means are transmitted to multiple user reception units over separate transmission services. The mapping means indicates when the individual reception units are to switch automatically to the predetermined data content from the regular data content, and may be configured in accordance with the user classifications and the predetermined data content classifications so that each user obtains and is presented with the predetermined programming content that substantially matches that user's classifications. |
