What the heck is RSS?!?!
RSS stands for “Really simple syndication”, is a web feed format used to publish frequently updated content such as blog entries, news headlines or podcasts. RSS is the best way to keep track of latest content on your favorite blogs.
You can find detailed report on RSS from here, or else you can watch these two videos that tells you what RSS is, in a very good manner.
Now you know what RSS is. Then why not grab it from here?