It’s a bit wild in here at the moment and there’s a lot of threads running at once.
If you’re looking for an easy to digest list of all the new Halo 4 info then look no further:
http://www.littleenglishhaloblog.com/2012/06/halo-4-info-hub-all-new-videos-art-and.html
The link has every video, screenshot and piece of artwork released today. 