[Air-l] new technologies: diffusion comparison diagram

catherine middleton cmiddlet at ryerson.ca
Tue Nov 11 21:38:34 PST 2003


Can someone point me to a downloadable diagram that compares 
diffusion rates for new technologies, e.g. telephone, VCR, internet 
etc? I've seen many versions of this sort of diagram, but can't seem 
to locate one that I can put directly into a powerpoint presentation. 
It doesn't really matter whether the data is North American or from 
elsewhere, it's the overall trendlines I'm interested in.

Any suggestions as to where to find something like this would be most 

catherine middleton
cmiddlet at ryerson.ca

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