Abstract: A system controls access to a group of media items. A client device is operable by a user. A media server is coupled to at least one media data source, wherein the at least one media data source stores one or more media items for supply, by the media server, to the client device over a network. An authorization server is coupled to an authorization data source. The authorization data source stores data identifying a group of media items of fixed group size N that are accessible by the user, each media item in said group having a different associated availability parameter value indicating a number of time periods M within which access to the media item is available, wherein the authorization server is arranged to authorize the media server to supply a media item to the client device if said media item belongs to the group of media items.

Abstract: A system controls access to a group of media items. A client device is operable by a user. A media server is coupled to at least one media data source, wherein the at least one media data source stores one or more media items for supply, by the media server, to the client device over a network. An authorization server is coupled to an authorization data source. The authorization data source stores data identifying a group of media items of fixed group size N that are accessible by the user, each media item in said group having a different associated availability parameter value indicating a number of time periods M within which access to the media item is available, wherein the authorization server is arranged to authorize the media server to supply a media item to the client device if said media item belongs to the group of media items.

Abstract: A content center and method for business process applications are provided. A method for providing services for a business process includes providing a content center for a business process application. Access to a service for performing a step of the business process may be provided in or otherwise with the content center.

Abstract: Methods and systems for providing sponsored content based on user information are provided. A method for providing sponsored content for use with a business application includes obtaining a user profile of a user of a business application. The user profile is used to provide sponsored content for use with the business application.

Abstract: Methods and systems for providing sponsored content based on previously provided content are provided. A method for providing sponsored content for use with a computer application includes accessing a history of sponsored content presented to a user of a computer application. Additional sponsored content is provided for presentation to the user in the computer application based on the history of sponsored content.

Abstract: Methods and systems for providing feedback on business transactions using computer applications are provided. A method for providing feedback on sponsored content effectiveness includes collecting purchasing information for purchases by a user of a computer application in response to display of sponsored content in the computer application. The purchasing information is provided to a provider of the sponsored content.