Brad McQuaid, lead designer of EverQuest and Vanguard: Saga of Heroes (both of which did not feature instancing at launch), wrote an essay in 2005 arguing that instances can negatively affect the game's community, virtual economy, churn rate, and other factors.
Dungeon instancing, a technique used in online games to provide individual players or groups of players with their own instance of some sort of content at the same time
Dungeon Master's Guide | Dungeon | dungeon master | Dungeon (magazine) | An Instance of the Fingerpost | Dungeon Master | Dungeon Family | Dungeon (comics) | dungeon | ''Deathtrap Dungeon'' video game | Dark as a Dungeon | York Dungeon | The Dungeon Master | Pokémon Mystery Dungeon | Mystery Dungeon | Instance dungeon | Dungeon Siege | Dungeon of Harrow | Dungeon Keeper 2 | Dungeon! |