RSS (Really Simple Syndication) is an XML format for distributing and aggregating Web content. Using RSS, Web content providers can create and disseminate feeds that include news links, headlines, summaries, and links back the full story.
There are two typical methods for using RSS:
There are many free or commercial news aggregator or reader programs available for download. Other services are web-based and allow you to subscribe to RSS feeds and display the content inside your browser.