RSS stands for Really Simple Syndication. RSS is an easy way to get automatic updates from your favorite blog or website. RSS content can be read by software called a news aggregator, "RSS reader" or "feed reader". If your favorite website supports RSS, these readers will regularly check for new content.
Free online services include: NewsGator Online and Bloglines.
Window users can download these free readers: FeedDemon, SharpReader, Feedreader, and RSS Bandit.
Internet Explorer 7, Firefox and Opera 7.5 support RSS news feeds.
Mac users can download these free readers: NetNewsWire, NewsFire, Shrook, and Endo.
Safari 3, Opera, and Firefox support RSS news feeds.