The ability to have a global or private chat with the other users. (Without having to refresh the app or page the whole time)
The ability to poke other users with a small, kind, but effective message.
Sharing locations, so people would be able to see where you are or were. This is optional, of course. #StalkerAlert
Some small minigames like 'Guess who'. You can challenge people to play it. It could have categories like staff, famous players ( more than 500 messages and last login within a week)
These are just ideas of course :cool:
This is the forum of a dutch server (same website other looks) and it includes a shoutbox which allows people to have conversations with other people online :)
http://forum.dodocraft.nl/forums/