The Google Ngram Viewer graphs occurrences of words in the books of the world over time.

Witness the rise and fall of your favourite voice communication technologies!

http://ngrams.googlelabs.com/graph?content=internet%2Ctelegraph%2Ctelephone%2Cmobile&year_start=1800&year_end=2000&corpus=0&smoothing=2

Ps. Yes I did try to complete the picture with “carrier pigeon” and “smoke signals” but it went all weird… and Skype didn’t even register.

Pip Jones
Technical Director

p:   0414 217 214
e:   pip@nomadagency.com.au
f:   +61 2 9331 3314
w:   www.nomadagency.com.au
t:    www.twitter.com/nomadagency