Dial in to the history of the smartphone, from its roots in Morse Code to 1997, when the first picture was transmitted over a cellphone. Plus, see how the next generation of smartphones will allow us to communicate through them just by thinking.

Originally released by PBS, 2019. Streaming video file encoded with permission for digital streaming by Infobase on June 18, 2019.

Introduction: The Smartphone (1:17); --Ancient Encryption System (3:56); -- Telegraph (7:04); -- Telephone Controversy (7:09); -- Radio Communication (6:14); -- Securing Government Communications (7:52); -- Hedy Lamarr Inventions (8:56); -- Scaled Down Technology (4:28); -- Technology Present and Future (5:15); -- Credits: The Smartphone (0:29); .