As part of our ongoing conversation about the evolving mediascape in "Perceptions" (CCA, Visual & Critical Studies), here are a few slideshows PDFs about conceptual frameworks such as Eric and Marshall McLuhan's Laws of Media, Richard Grusin's Premediation, and initiatives such as Bruce Sterling's Dead Media Project ("premediated" by William Gibson).
Related: Lo-fi: Premediation Matters
Grusin's The Premediation Blog
Videogames are premediating the "New Terrorism" [WIRED, in Italian]
Premediation, the TV series: Person of Interest [WIRED, in Italian]