] When tracking this year's election, pollsters contact
] people on traditional phones. About 5 percent of all
] households receive telephone service only by cellular
] phone, according to a face-to-face survey done earlier
] this year by the Census Bureau and the Bureau of Labor
] Statistics. Among young adults up to age 24, the number
] is close to three times as high.

This is a good point. Most of the people I know are definate voters and, if they even have a landline, won't answer it. This bias -- like the flexibility in what percent of Republicans you query (lower percent vote) means that we are unlikely to be seeing accurate numbers in the polls...

But we knew that.

Salon.com Politics