See "The Agenbite of Outwit," a short essay of his that I think is a good introduction.
http://projects.chass.utoronto.ca/mcluhan-studies/v1_iss2/1_...
People need to be more aware of the cognitive results of using their particular selection of tools.
See "The Agenbite of Outwit," a short essay of his that I think is a good introduction.
http://projects.chass.utoronto.ca/mcluhan-studies/v1_iss2/1_...