Preface to the Series 總序 導(dǎo)讀 Preface 1. Extension McLuhan and Semiotics Tools, Artifacts, and Technology The Book The Computer Extension Theory Language Semiotics Visual Tools Artifactual Semiosis The Mass Media and Mass Communications 2. The Four Laws The Tetrad Figure-Ground Practical Applications Economy and Efficiency The Alphabet Principle Reproduction Mediation 3. The Medium Is the Message Media Sense Ratios Secondary Orality Media and Historical Epochs The Medium Is the Sign 4. The Global Village The Global Village in McLuhan's Own Words Connected Intelligence The Social Mediasphere Technological Blending Technopoly 5. The Unwitting Semiotician Vico, Lotman, and McLuhan Fantasia or the Human hnagination The Ingegno or Autopoiesis Memoria and Knowledge Tile Cultural Cycle A McLuhanian Semiotics References Index