Methods, systems, and apparatus, including computer programs encoded on a computer-readable storage medium, and including a method for managing privacy rights of a user related to the delivery of content. The method comprises providing a global privacy management interface that presents a selection tool for enabling a user to review privacy options and interests. The privacy options and interests include controls for presenting a list of identifiers that are associated with the user and interests associated with those identifiers. Each identifier is associated with a requesting source having been used by the user to access content. The interface enables de-selection of individual interests on a per-identifier or global basis. The method further comprises determining, in a server system, content to deliver to the user in view of the privacy selections.