From Nineteen Eighty-Four, Brave New World, and Fahrenheit 451 to Facebook, Twitter, and TXT. Here’s a must-see video for anyone interested in the transformation of the media landscape and message distribution. The narrator traces four media revolutions: print media, conversational media, visual media, and the Internet, which he labels as “the largest increase in expressive capability in human history.” The big idea here is that, for the first time, individuals and groups can engage in conversations that are “global, social, ubiquitous, and cheap.” Big Brother beware!