Goldberg and Guthrie

... tonight while watching The West Wing. With the importance of polls in our modern political system, has anyone ever examined the effects of cell phone use on polling? I assume that when polls are conducted, phone numbers are generated from a telephone directory of some sort. However, I'm not sure such a directory exists for cellular phones. (Does one exist now? That article was from three years ago.) There are many people (me, for example) who have no home phone - only a cell phone.

Is there a certain demographic that would tend to use only a cell phone and have no home phone? Are these people being systematically underrepresented in national polling data?

I have no answers to any of these questions.