RSS stands for Really Simple Syndication is useful to frequently publish all updated works including news headlines, blog entries etc. This RSS document also known as web feed, feed or channel that incorporate summarized text including metadata i.e. authorship and publishing dates etc.
However, RSS feeds make the publishers flexible by syndicating the content automatically. There is a standardized file format XML that lets the information to be published once which can be visible to several distinct programs. Also, this makes readers more ease to get updates timely by allowing them to subscribe from their favorite sites.