Linguists who have studied simplified varieties of a given language, such as pidgins or the language of care-givers, have tended to explain similarities in their structure by the fact that they use the same mechanisms of simplification. Bruthiaux tests this idea by looking at the structure of classified ads in American English, using a body of 800 ads from four categories: automobile sales, apartments for rent, help wanted, and personal ads. Bruthiaux's...