Today moviegoers complain about films being too formulaic. But in 1931, one Hollywood writer of now largely forgotten movies thought that turning screenwriting into a formula was a pretty good idea. So he invented the Plot Robot.
Usually, the tech magazines from 50+ years ago got things wrong, predicting crazy, impractical devices to make home care easier (for women). Well in 1959, RCA and Mechanix Illustrated got it right.