RSS stands for Really Simple Syndication.  The links below provide some background information and uses of RSS in education. 
  

• Video: Beginners Guide to RSS
  A video that explains very simply how using a feed reader will save you valuable time. 
  

• Beginners Guides: RSS Feed Setup & Subscriptions
  "As the internet advances, even surfing has become slow and laborious. Enter RSS Feeds, and the simplified way in which they allow us to keep a bird's eye view on favorite websites content." 

• RSS could transform online communication
  "Really Simple Syndication (RSS) might not mean much yet to the average internet user--but it soon could revolutionize the medium. Some forward-thinking educators are taking advantage of the burgeoning technology to keep abreast of school-related issues."