Always in touch - this is the imperative of modern media. But what happens when media stops working properly? When messages go beyond the strict boundaries of “from sender to recipient”, they go beyond the world of communication as such; messages that proclaim, “No more messages”?In this book, ALEXANDER R. GALLOWAY, EUGENE TUCKER, and MACKENZIE WARK upend our conventional understanding of media and mediation. The authors explore the impossibility of communication, which is inherent in its very essence - an impossibility that they call “excommunication.”