Allows you to build a customised feed of made up of content your friends on other collaborative sites have shared, including news articles, photos, videos and comments left.

Encyclopedia article on the topic, including benefits, technical definition, and basic information on how to read feeds.

An interactive feed aggregator and manipulator. List of 'hot pipes' to subscribe to, and ability to create your own (yahoo account required).

Introduction to syndication from the weblog of Dave Shea.

Provides details of how to add geographic data to RSS and Atom feeds using Geography Markup Language (GML) or the simplified GeoRSS standards.

Collaborative RSS and Atom delivery using using peer-to-peer multicast. Includes information for readers and publishers.

Article from the eNewsletter Journal, including consideration of the likely impact on the online newsletter business.