RSS, commonly known as Really Simple Syndication, is a popular method for sharing content without requiring readers to continually visit a web site to see what's new.
Based on XML, RSS breaks web sites into discrete chunks of information, such as a single news story or a single blog post.
Users subscribe to online content using a RSS feed reader or aggregator which checks subscribed web pages and automatically downloads new content.
RSS feeds allow you to pull content from many different sources—a web page, blogs, databases, etc.—into one web page, allowing users to quickly and easily access the new material from sites that interest them.
Using RSS will save you time and ensure that you don't miss any important updates made to your favorite information sources. You can use it to keep up with:
CommonCraft created this brief (3:44) video that explains RSS Feeds in plain English.