phd Isaac Newton/wk3-1

I need two discussion replies 150 words each

In the Introduction, Kovarik describes McLuhan’s “tetrad” of media effects.  Choose a “new" development from the first section on the printing revolution and think about what changes it provoked and how this framework might apply. (Remember that you might want to look for alternative explanations of McLuhan's tetrad idea, since it is a complicated concept.)