White tiles covered the walls, floor, and ceilings. Someone kept them
spotlessly clean. The customers packed themselves loudly into the booths, 
tables, and counter stools. Everyone seemed to know everyone else, but their 
conversations had the overblown friendliness of some corporate cocktail party. 
It took Peter a moment to realize that most of the people were talking to no one 
in particular. They shmoozed with invisible friends only they could see.