Pro-Tip: Don't Preorder.I was able to play at about 10 pm here. The game looks great, plays great, but man it's short and the story sucks. Very disappointed I spent $60 on this
Halo 5 microtransactions generated over $500,000 in 1 week.
http://www.gamespot.com/articles/halo-5-microtransactions-generate-over-500000-in-o/1100-6432003/
I guess people didn't want to deal with grinding to get all the cool looking equipment. BTW, Angry Joe did a breakdown of how much it costs to buy everything versus how much time you'd have to play to do it manually. Quite a staggering statistic.
Well this is embarrassing (and shows how incompetent 343i is..)
So there was supposed to be a charity event with a Halo 5 Tournament, and of course the online servers weren't working properly. Unfortunately, since Halo 5 MP only works with Live and doesn't have any crazy advanced features like say, LAN play, the tournament had to be cancelled.
http://gamersforgiving.org/halo-tournament-update/