Cell Phones and Smartphones: A Graphic History
(Amazing Inventions)

Cell phones allowed people to connect on the go, and smartphones have transformed the way we share information. From the earliest landlines to the minicomputers that link people across the world, discover the shifts in phone technology that shaped modern communication--and the people who made them happen. This graphic history also shows readers the big changes in design, size, and battery life that took place before mobile phones hit the center of popular culture.