Someone quickly got the idea to give it to the “greeter” NPC’s who welcome the level 1 players. Everyone joining the game for the first time that night would quickly die within seconds of logging in.

Good fun.

I do remember the “digital plague” he was talking about. It happened on WoW, just as Zul’Gurub came out. Hakkar put a disease on all of the members of the raid during a fight. This disease would spread to other members of the raid at preset intervals, and then wind down doing a set amount of damage each second. It was found that if a hunter pet was dismissed while having the disease, said pet could be resummoned later with the disease still active.

This took place during the time when there was only one auction house, in either Ironforge or Orgrimmar depending on faction. Hunters with afflicted pets would enter the areas in front of the auction houses and summon their pets who were now digital versions of Typhoid Mary. While the amount of damage done to a level 60 character by this disease was negligible, it was devestating to the lower level population of the area.

Blizzard quickly fixed the bug, but it was still one of the best in-game bugs I had ever seen or heard of.