RSS is the mutt’s nads. Any non-techies can switch off now; wannabe techies read on.
The idea of RSS is difficult to explain in detail (although the Telegraph has a good “beginners” piece here). It’s a system that grabs the content from websites and puts them in to a global format (called a “feed” – here’s mine), which then gets picked up by “newreader” programs. Then, all the users have to do it load the program, scan the content of the sites, and pick the ones that interest them. It saves trawling through the sites every day in case there’s an update. Bloglines is my web-based newsreader of choice; try it, and save a LOT of time…