http://blogs.technet.com/groove/archive/2007/05/02/security-for-the-board-not-the-bored.aspxWe used to talk a lot about " center vs edge " when we described Groove. Now that we are part of the Office System, the center and edge explanation still rings true, even if we don't use those words exactly ( hint : Groove = edge, SharePoint = center).en-USCommunityServer 2.1 SP1 (Build: 61025.2)