RSS (Really Simple Syndication) is a family of web feed formats used to publish frequently updated works such as blog entries, news headlines, audio, and video in a uniform format. These documents, or feeds, are usually received via e-mail in a program like Outlook. However, there are a number of RSS readers available for such purposes.
An RSS feed includes up-to-date information from sites. These updates can be in the form of webpages, blog entries, and audio and video entries
Here are some ways to subscribe to a RSS feed: