Its name is an acronym for Really Simple Syndication.
RSS is a dialect of XML. All RSS files must conform to the XML 1.0 specification, as published on the World Wide Web Consortium (W3C) website.
There are many RSS Readers available as well as plug-ins for most browsers. Use Google and search for ‘RSS Readers’ for all the information you will need to get started using this feature. Good Luck and enjoy the feed!