posted by Theresa .
What are innovative uses of communication technology that changed the world
(just to name 3)
Invention of the printing press
Voice activated appliances
I almost forgot -- probably the first technological innovation that aided communication -- the invention of writing.
Ms. Sue is right.
This is interesting: http://www.historian.net/hxwrite.htm (especially the 2nd paragraph for this particular question)
The shift from keeping track of property or sales or inventory to putting a person's thoughts and words and songs into writing is nothing short of amazing.