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For the record it appeared in 1946: https://dicktracy.fandom.com/wiki/2-Way_Wrist_Radio https://dicktracy.fandom.com/wiki/2-Way_Wrist_Radio and the video in 1

by jaclaz 5y ago

For the record it appeared in 1946: https://dicktracy.fandom.com/wiki/2-Way_Wrist_Radio https://dicktracy.fandom.com/wiki/2-Way_Wrist_Radio and the video in 1964: https://dicktracy.fandom.com/wiki/2-Way_Wrist_TV https://dicktracy.fandom.com/wiki/2-Way_Wrist_TV More or less both are (fictional) "miniaturization" of existing, known technologies.