Source: http://www.mikogo.com/2013/03/25/evolution-of-communication-infographic/
Related posts:
Public Transit Derailed [Infographic]
Picturing the Past 10 Years [Infographic]
Target Markets : Ad Spending Across Four Benchmark Sites
Facts About Text Messaging
What your web design says about you?
Video Game Industry Beats Hollywood [Infographic]
A quick trip to 7 Billion! [Infographic]
Evolution Of The Fax [Infographic]
Ranking the Best Football States [Infographic]
A Periodic Table of Visualization Methods - Interactive