This includes items and quests that can no longer be obtained or are now deprecated.
The in-game information in this article is kept purely for historical purposes.
Mr. Popularity
Reputation gained from killing monsters and completing quests increased by 5/10%.
Mr. Popularity was a guild perk that passively increased reputation gains from mobs and quests. Rank 1 was available at guild level 4, and rank 2 at guild level 12. It was removed with the release of the Warlords of Draenor expansion, along with the entire guild advancement system.
Patch 6.0.2 (2014-10-14): Removed. 
Patch 4.0.3a (2010-11-23): Added. 