Increasingly I get asked about RSS, what it is and how a company might use it. In addition to several blog posts which address the issue, here, here, and here. I'd like to recommend the following resources. They are all good and will provide a fine introduction to this new delivery technology (see below).
RSS(File Format) Wikipedia
RSS For the Real World Marketing Profs
Always Keep an Eye on the Ugly Duckling Tom Murphy
Your 7-Step RSS Marketing Plan Marketing Prots by RSS guru Rok Hrastnik
If you have a bit more time: you can sign up for this free report on the Business Case for RSS, written by RSS guru Rok Hrastnik. It's really a nice introduction.
Ultimately, I suspect that the protocol's name will fade away as the phenomenon becomes more popular. In much the same way you never hear about the protocol for sending email (SMPT), you'll just say "news feeds" and be done with it.