RSS is an abbreviation of Really Simple Syndication. According to Harvard it is a web content syndication format. This format is used for syndicating news and the content of news-like sites. It is written in Xtensified markup language (XML) to have an update of latest information on the website.
RSS feed can check for changes, if the changes are made then the changes are appropriately displayed in the area where this RSS feed is utilized.
There are three widely used RSS formats RSS 0.91,1.0 and 2.0 being the latest.
This is a case sensitive language, thus be careful with capital cased letters.
You can view the example of how we have read rss feeds of yahoo and google and rendered it in our website by visiting the GMR news section.
RSS makes no harm, so have it in your website. Contact GMR Web Team to find out more about RSS creations.