British-born Anthony McCall's piece You and I Horizontal is a bewildering solid light installation that uses a video projector to create what seems like a thick wall.
Plus, with 30 hours of battery during audio playback and 5 hours for video, the 0.4-inch thick player doesn't do bad for itself at all in that department.
Jurors were shown photographs and a short video detailing how the lethal fire spread with thick smoke pouring from the top of the building and the internal corridor filled with smoke.
Distribution of that sort has traditionally been more difficult with books, since it is harder to print and disseminate thick wads of paper than it is to burn discs or download video files.