What's the diddly o? Everyone seems to be ranting about them recently, good for SEO, good for content distribution. I get the deal on RSS feeds for news sites and blogs etc, but what are RSS sitemaps. How they improve SEO and how do you go about utilising them? Please don't just slap an article link in my face, because more often that doesn't help me learn and I get bored reading them. If someone can explain in simple terminology what all the fuss is about, it would be greatly appreciated. Cheers!