Cell Phone Usage and Tech Advances (Picture)
Via: Cell Phones
I thought this picture was interesting and informative. I was also struck by how the first SMS text message was sent in 1992. Several other little factoids were revealed in this picture as well. (Click the picture or a much larger version.)
[ * ] "How Cell Phones Work" As always lots of intriguing history and hints on all things cellphonick here at HowStuffWorks.