Systems and methods for effectively and efficiently receiving, analyzing, and using subscriber content choice information are described. One embodiment of the present invention includes a subscriber-action database, such as a clickstream database, a media-content database, and a merge processor electronically connected to the two databases for merging data in the subscriber-action database with data in the media-content database to create a subscriber content-choice database. The media-content database may include programming and/or advertising data. The media-content database may also include category and context information to provide the capability to comprehensively analyze data in the subscriber content-choice database.