Which of the following is an example of narrowcasting using advertisements?
A) running an ad for a new line of cars on cable TV
B) showing ads for diapers to would-be mothers in hospitals
C) handing out promotional leaflets for a new restaurant to passers-by
D) showing video game ads at a college football game
E) uploading movie ads on Web sites like YouTube
Answer: B) showing ads for diapers to would-be mothers in hospitals