8222 Media Ecology, Paul Levinson, Marshall McLuhan’s 1978 voice mail about my doctoral dissertation

In case any one missed this the first time … Marshall McLuhan’s 1978 voice mail to me about my doctoral dissertation, «Human Replay A Theory of the Evolution of Media» (NYU, 1979) … recovered on a nearly lost cassette tape …
http://paullevinson.blogspot.com/2011/11/voicemail-from-marshall-mcluhan-1978.html