1. A computer-implemented method for managing privacy rights of a user related to the delivery of content, the method comprising: 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 including controls for presenting a list of identifiers that are associated with the user and interests associated with those identifiers, each identifier associated with a requesting source having been used by the user to access content; and enables de-selection of individual interests on a per-identifier or global basis; and determining, in a server system, content to deliver to the user in view of the privacy selections.