I think it was Antonio who once gave me the helpful feed reader analogy of it being like sending your dog to the front door to see if the paper has arrived yet rather than constantly trudging there yourself. Commoncraft have a crack at their own explanation. Hattip Tony Molloy.
Google Reader explained by Commoncraft.
Did I say that? Not sure to be honest but it’s pretty good! I think I’m going to claim it as my own now anyway, thanks Nick 😀