RSS is a Web feed format used to publish information on the internet and there are a number of ways to access RSS feeds. RSS content can be accessed using RSS reader software or via your web browser. Modern web browsers such as Internet Explorer, Firefox and Safari all have built in features to identify and subscribe to RSS-feeds.
There are also standalone applications available such as Feedreader and SharpReader. The abbreviation "RSS" is used to refer to Rich Site Summary, RDF Site Summary or Really Simple Syndication.