Before revision: Armageddon 2419 A.D. Also from science fiction, a 1964 episode of Star Trekfeatured an instrument called the "Communicator", which would become a regular plot device and an influence on future real-world technologies .
After revision: Armageddon 2419 A.D. Also from science fiction, Star Trek: The Original Series featured an clamshell instrument called the "Communicator", which would become a regular plot device , which influenced development of early clamshell mobile phones, such as the Motorola StarTAC .