RSS stands for Really Simple Syndication and is a format used to publish content that is frequently updated like news articles, blog entries and podcasts.
RSS is useful because it allows you to easily stay informed by retrieving the latest content from the sites you are interested.
Feed readers allow you to retrieve the RSS feeds from various websites and display them for your own personal use. Various feed readers exist for various platforms. Feed readers may be found in email clients like Mozilla Thunderbird and Microsoft Outlook. There are also several web-based feed readers including My Yahoo, Bloglines, and iGoogle.
To subscribe to an RSS Feed, do the following: