For a moment it was what I thought you meant to post; you said "I got a rock" and I thought that was a euphemism for the big testicle. Then I read the caption.
Random theory on the bulletin news/non-news: The bulletin will basically point us to the media coverage flowing forth from the interwebz, and promise clarifications/follow-ups next week.
That's what I think too - past updates from Bungie (not 343 but... same idea) that come out at the same time as magazine or even gaming site exclusives usually mention that news is available but try not to step on the toes of said exclusives.