If you don't get RSS (or WIKI) yet
By pdiamond on Jun 14, 2007
If you haven't quite grokked RSS or ATOM feeds yet, and I have to admit that I am still wrestling with the concept, there's a superb (I don't use this word lightly!) video that is short, sweet, engaging, comprehensible - can you tell I like it? RSS in Plain English.
At the risk of using material for a future blog entry, the same folks also did Wikis in Plain English - same comments as above apply