"Board Viewers" MOD has been installed
Ever Wanted to show the number of viewers in the boards on forum index?
Board Viewers mod adds a feature to Board Index to show the number of visitors inside the boards.
-> Adds a text next to each board name, like (21 viewing) or (8 members, 13 guests)
-> Also adds the viewer numbers to child-boards' hover text on boardindex. Like "No new posts (Topics 5, Posts 15,Viewers: 21)"
http://custom.simplemachines.org/mods/index.php?mod=295