Web Feed Primer from Six Apart

“Many websites have links labeled “XML” or “RSS” or “Atom”. All of these are ways of saying that you can find out about updates to that site without having to visit the site in your web browser. This feature is referred to as “syndication” or “aggregation”. Sometimes it’s just called subscribing. And these days, instead of one of these words, lots of sites will use a little orange button.” The rest is over at Six Apart. Check it out… they do a pretty good job.