Rich Site Summary is a format for deporting regularly changing web content. Nowadays news related sites, blog sites and many online marketers advertise or report their updating content via RSS feed.
Advantages of using RSS
RSS feed allows you to easily stay informed by giving you the latest RSS news from the sites that you have subscribed. The advantage here is without going to the site you have the opportunity to see what's new on that site and read it.
If you want to use RSS reader you can register from any of these web based news readers. The most popular 10 Readers are,
So what are you waiting for?