I'm hoping Bungie will add additional functionality and tweaks as the game/site/app mature. With all the attention this game is getting, I'm confident they'll be doing their best to keep everyone active and engaged, otherwise, what's the point of the site and/or companion app?

Well there have been screen shots of guys with there rank in the clan next to there name. Example deeje had a tag after his name that was not his ttl clan tag so I think there will be ranking systems. I dont remember what it was though