.@pmarca on why everything from TV to traditional news organizations now behave like a viral post: "Marshall McLuhan was the great media theorist of the TV era." "He said, 'If it's on TV, it's a television show.' In other words, the medium is the message." "What's the native medium of the internet? What's the form of media on the internet that rips and dominates? It's clearly the viral post." "The traditional media and the former newspapers and television—they're basically covering whatever…