The original, non-3d printer edition talk: http://simpleactually.tumblr.com/post/21437196378/monetizing-info-video
Because scarcity does not apply to information, it requires an entirely different thought process to monetize.
The truly magical thing about 3D printing is that it essentially converts objects into information.
Everything we've seen happen to media industries over the last decade is about to happen to physical goods industries in the next.