Philip: What's this?
Salesman: It's a Dynatronics audio habitat enhancer.
Philip: I could use one of those. What does it do?
Salesman: It produces a pleasant ocean sound, drowning out unpleasant noise pollution. Do you have that problem in your house?
Philip: Boy, do l! My wife's nephew. The first week he moved in with us there was nonstop drumming in the house.