Mass media "hot" media and "cold"
McLuhan classifies as "cold" media that have a low resolution and therefore require a 'high participation user, so that he can "fill" and "complete" information is not transmitted; the media "hot" are those with high definition and low participation. McLuhan in his writings seem to fall into contradiction in the definition of "hot" or "cold" in a particular medium, for example in the case of writing this is first defined and then cold "hot and explosive."
http://it.wikipedia.org/wiki/Marshall_McLuhan
A medium is cold fin de 'Conti half of poor communication. In telecommunication services, for example, missing mime type messages and proxemics, linked to gestures, as well as other "information" about the tone of voice, accents and all that meta language of face to face communication you already lost, in large part to the call.
changed a bit 'videtelefonate the cards on the table, much in vogue thanks to skype, but communicative exchanges remain incomplete, considering the poor quality of picture and sound, in addition to physical and psychological distance sottolinaneo the lack of coexistence of 'action.
changed a bit 'videtelefonate the cards on the table, much in vogue thanks to skype, but communicative exchanges remain incomplete, considering the poor quality of picture and sound, in addition to physical and psychological distance sottolinaneo the lack of coexistence of 'action.