Yesterday Rockstar posted an article about crews on their Newswire
, the first line was interesting.
We haven't detailed the features of Grand Theft Auto V's online mode as yet (stay tuned for first info soon)
Then today they updated the GTA V website with an Info section
which had this to say about multiplayer.
...a brand new and ambitious approach to open world multiplayer.
Seems like they may have something unexpected planned and we'll be finding out about it soon.