Barton went to irving kahn , a vice president at 20th century fox studios , with the idea of connecting cue cards in a motorized scroll , so he could rely on prompts without risking an on-screen blunder .
The economists of his day took their cue from jeremy bentham and his " utilitarian " philosophy .
After a few days he was able to isolate his cue : time .
This means that the time of day , place or cue automatically starts you towards grabbing your bag and heading out .
Mr carker took his cue , and smiled the more .