BTS: Halo Waypoint
From Halopedia, the Halo wiki
<youtube width="350" height="250">be5Dq2GysoU</youtube>
The BTS: Anniversary Terminals is a behind-the-scenes look at the development and features of Halo Waypoint, and was first released on YouTube and Halo Waypoint on Oct 24, 2011.[1][2] The video features exclusive interviews with 343 Industries staff.