"A specialised variant thereof, yes sir," Cotton said. Then, lowering 
his voice, "Word has it they considered makeup with nanoreceptors for galvanic 
skin response, pulse, respiration, and so on, so that it would respond to the 
wearer's emotional state. This superficial, need I say it, cosmetic issue 
concealed an undertow that pulled them out into deep and turbulent 
philosophical waters—"