Privateer Press put up a video, the first in their line of Developer Diaries for Level 7.
From the website:
Privateer Press has announced a series of developer diaries on LEVEL 7 [ESCAPE]. Written by LEVEL 7 [ESCAPE] lead developer Will “Oz” Schoonover, these text or video pieces explain core concepts of the much-anticipated board game. The first diary, a video presenting an overview of the game and its components, can be viewed online now.