The YouTube channel [Pronunciation Book](http://www.youtube.com/user/pronunciationbook) has recently begun a countdown to...something. People all over the Internet have speculated it's the announcement of a Battlestar Galactica reboot to (of course) the announcement of Half Life 3. There's a Google Doc collecting evidence, a wiki, and this blog. To me and others, the evidence sounds more like it could be referring to Halo. It sounds like it could be coming from Cortana, and the mention of "Chief" is almost a little too on the nose. Here's the main messages:
77: “Something is going to happen in 77 days.”
76: “I’ve been trying to tell you something for 1,183 days.”
75: “I’m awake now. Things are clearing up. I’m not saying the words anymore.”
74: “I’ve got a minute, let me tell you what I think is going on.”
73: “Tension between the districts has spiked in the last few months.”
72: “You can see it in the markets. Everyone’s ready for a storm.”...