Dave pointed to the "Yes" with the crystal.
"You can see me?"
Again came the point. And Jane hurriedly wrapped herself in the sheet and blushed. Then she threw away the sheet and said. "It seems that this is no time for modesty, Dave."
He tapped the printed "Yes" once again as Jane reached for her dressing gown and slipped into it.
"What do you want?" she asked.
Carbon paper, he wrote on the wall.
Jane disappeared, and Dave smiled at the scribbling on the wall. Its disjointed message was bearing fruit. But what could one make out of:
Jane. This is Dave!
Yes!
Carbon paper.