| 摘要 |
Systems, methods, computer program products are provided for presenting content. An example computer implemented method includes identifying, by a data exchange engine executing on one or more processors, one or more user lists based on owned or permissioned data, each user list including a unique identifier; associating metadata with each user list including data describing a category for the user list, population data describing statistical or inferred data concerning a list or members in a given user list and subscription data including data concerning use of a given user list; storing in a searchable database a user list identifier and the associated metadata; and publishing for potential subscribers a list of the user lists including providing an interface that includes for each user list the unique identifier and the associated metadata. |
