Tagging online content is something that doesn't seem to have taken off the way some people expected it to. Is it too complicated for widespread adoption?
Podfeed.net is a podcast directory that helps you find podcasts, read and write podcast reviews, listen to podcasts and share your podcast with others.
OPML (Outline Processor Markup Language) is an XML format for outlines. Originally developed by Radio UserLand as a native file format for an outliner application, it has since been adopted for other uses, the most common being to exchange lists of web fe