but that doesn't matter - you've discovered it now.
The first RSS was designed by Netscape years ago, and has since been superseded by all kinds of variants.
For those people who may be wondering what on earth we're on about, RSS is a format for the syndcication of website content - mainly in a news and news-related context. You download some free software which commonly displays a 'feed' window on your desktop. You select a feed topic or topics to follow and the RSS will go off and get you the latest content on the topic you've selected. Generally the RSS will just offer you a taster - you have to go to the site in question to get the full information.
Personally I don't use RSS feeds, except the BBC one, and that's on some of my clients' sites. I've always used Copernic for my research - one of the best-kept secrets in searching - although over the past couple of days I've been using Blinkx
click here and my early impressions are good.