Here is an interesting comparison of Cortana over the course of the 4 halo games:
PTesh adds his dulcet prepubescent tones over the top of one of the new trailers for weapons...
Try upgrading your browser to Google chrome (you wont regret it). There is probably an IE...
Terminal 1 (Terminus Achievement)
Watch the video below for a step by step guide on how to get the first terminal in the Halo 4 Campaign.