In 1979, Nippon Telegraph and Telephone (NTT) launched the world's first cellular network in Japan. In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone.
Today's mobile phones are not just used to call, they also integrate many smart functions to meet the "all-in-hand" of the users, and called as smartphones. So before mobile phones, how did people get in touch with each other? Check out these pictures to see.
