RSS, or "Really Simple Syndication", is a way of publishing constantly changing information or content.
RSS allows internet users to keep informed about new content on websites that change content often.
RSS is outputted in a document format known as a "feed", RSS content can be read using software called an "RSS reader", "feed reader" or an "aggregator".
A user can "subscribe" to the RSS feed by entering the feed's link into a chosen reader, or by clicking an RSS icon in a browser that initiates the subscription process (usually a little square orange icon).
For more information on RSS feeds you can have a look at the following sites:
Click Here for the Roben RSS Feed