I'm tired of explaining RSS. Previously I've professed my love for the format while admitting many simply don't get it. I know people don't get it because I'm constantly having to explain it to others.
Here's a little video that tries to explain it in plain English. I just posted this on the intranet of a software company, because even at a software development company there are many who haven't grasped the concept and embraced the spirit.
So I never have to explain it again, here's RSS in Plain English.