> Well, I had forgotten about James Parry aka "Kibo" as I have only
> heard about him and never encountered him in the real world
> (of Usenet).
> 
> But his trick far predates dejanews which was bought by Google.
> I assume it involves running a filter against a newsfeed.


Yes, he grepped the *entire* usenet newsfeed way, way, way back when.