RSS (Really Simple Syndication) is a technology that easily allows you to receive updates from web sites, library databases and other online resources all in one location.
The information is supplied through an "RSS feed" that you subscribe to, and it's collected by a feed reader (also called an aggregator).
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:
This video provides an easy to understand explanation of how RSS works in less than 4 minutes.
Note: Google Reader is shown in this video, however it is no longer available. Explore available readers on the RSS Readers tab.