There seems to be parallel in Two Selection by M. McLuhan and Computer Lib by Theodore Nelson. Both consider computer as media form. For McLuhan, media overwhelm the importance of content, where Nelson resound what McLuhan's idea of media by redesigning the media. Nelson's compare the media we lived in with that fish living in the water.
In Nelson's Dream machine he presented his observation how the computer professionals has at most part kept the sacred know how to themselves where the public is kept at bay.