1) A Private Message feature, good for forming alliances and movements that aren't broadcasted to everyone else.
2) A possible "vote to kick" feature, to get rid of those pesky trolls, oftentimes guests.
-"But Zydrate!" you say... "That could be abused! People could gang up on you for no reason!" A hazard, the pros outweigh the cons. If that happens, one can just move on.
3) What the hell are Vortex shards used for?