Systems and methods for subscribing to updates of user-assigned keywords

摘要

A method for notifying a subscribing user when an annotating user tags a content item with a keyword includes: providing an interface operable by the subscribing user to identify a subscription keyword and/or an annotating user; defining an RSS feed corresponding to the keyword and the annotating user; configuring an annotation server to update the RSS feed in the event that the annotating user tags a content item with the subscription keyword; and providing the subscribing user with access to Corresponding systems are also described.