This divide has held steady for the last five years, the Pew report said.

The Pew report found that among the groups it surveyed, white evangelical Protestants had been the most politically dynamic.

Fifty-six percent of all Americans have gotten to the Internet via some kind of wireless gadget, Pew reports.

Notably, according to last week's Pew report, they represented 10 percent of online holiday shoppers.

"The good news is that most teens already have a pretty healthy sense of paranoia," said Mary Madden, an author of the Pew report.

The Pew report clearly showed that is not the case.

Web 2.0 and Twitter were also addressed in the Pew report on "Social Media and Young Adults" in 2010.

Instant messaging has become "the digital communication backbone of teens' daily lives," used by 75 percent of online teenagers, according to the Pew report.

Neither the Kaiser nor the Pew report found evidence of impending doom in all that exposure.

Chris Anderson, the editor in chief of Wired, a magazine about technology and culture, said the Pew report was accurate.