Data from Pew Research Center polling this year suggest that the bias from not including cell phones in election surveys is as large as, and potentially even larger than, it was in 2008.

Just about every adult ages 18 to 29 owns a cell phone.

Just 6% of Hispanic registered voters say the Republican Party is more concerned than the Democratic Party about Hispanics.

Just a third of Democrats believe that compared with recent Congresses, the current Congress has accomplished more than usual.

Nearly half of all adults own an mp3 player such as an iPod.

Fully eight-in-ten adults younger than age 30 favor legalizing marijuana for medical use.