Online multiplayer with matchmaking, persistence, and more.
http://www.nintendoworldreport.com/news/26688
The Ghost Feed was revealed for Ghost Recon Online, coming to Wii U, at the Nintendo developer roundtable featuring Ubisoft tonight.
The feed will always be on and displayed on the touch screen. So, you can check your friends list and interact with them while watching something else on your TV.
Additionally, the online will feature a personalized account system with a seamless, flexible friends list. There are ranking and matchmaking features as well.
We'll have a full preview of Ubisoft's presentation of Ghost Recon Online soon after the presentation.