History of mobile phones
A cellular telephone switching plan was described by Fluhr and Nussbaum in 1973, and a cellular telephone data signaling system was described in 1977 by Hachenburg et al.
How William Shatner Changed the World
The show then examines the life of Martin Cooper, the chief engineer at Motorola, who invented the cell phone. Cooper states that "Star Trek" was his inspiration for the cell phone, and discusses the similarities between the modern day cell phone and a "Star Trek" communicator. He also discusses how "Star Trek" introduced the concept of computer voice recognition dialing.