 Why is there a microphone in Craig's hotel room?
Flight Officer Robert Craig surrendered the tube containing his service record tapes and stood waiting while the bored process clerk examined the seal. "No specific destination," supplied the man as he punched a key on a small instrument, "Air-lock ahead and to your right. Craig obeyed the robot voice and began reluctantly to remove his flight jacket. He was uncomfortable; Wyandotte seemed to know all about him. It helps suppress certain physiological reactions to an entirely new set of conditions. During the days that followed, the psychologist seemed to Craig to become progressively more didactic. On the eighth day, two attendants, who showed the effects of massive doses of PON to protect themselves from the centrifugal force, had to carry a man out of the tank.
 Terran society has become increasingly controlling of its citizens.
 Terran society has become increasingly controlling of its citizens.  The hotel manager bugs all the rooms to blackmail the guests.  Wyandotte put the microphone there to monitor Craig's adjustment to Terran society.  The Intergalactic Space Service put the microphone in Craig's room to keep tabs on him.