I just read through 24 pages to read.... nothing.

Then I read a thread on bungie where Sawnose posts this
(p.s. - no, this isn't what I meant in the podcast. I'm not planning any game changes or updates. There are no concrete plans for the CD key, but it's your way to show us that you're a Halo 1 player, which we might want to know in the future.)
Well there ya go. Nothing. Thread