Developing Feeds with Rss and Atom is a new book from O'Reilly I'll have to check out. It covers:metadata interpretationthe different forms of content syndicationthe increasing use of web serviceshow to use popular RSS news aggregators on the marketRSS is a metadata format that has found wide acceptance. As a news/push metadata format is a bit different than the descriptive metadata we use in MARC and Dublin Core. However, the new version, Atom, can act as a wrapper for the descriptive formats, if I understand it right. Could be useful in distribution of MARC records? A simple alternative to METS?