The Census Bureau is well-known for asking questions. Now it will answer them, too.

The agency's new 2010census.gov website went up this week and, when it is officially launched Monday will give people a chance to do the questioning.

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"The under-30 group is almost universally online," says Aaron Smith, research specialist at the Pew Internet & American Life Project, a non-profit that studies the social role of the Internet.

The world has changed since the last Census in 2000. Half the nation was online then, he says. Now it's eight in 10. Fewer than one in 10 had high-speed Internet connections then. Now: six in 10.

"Almost half of Internet users use social networking sites and a third of Internet users read blogs," Smith says. "The thing they're talking about around the dinner table, they're also talking about online. … You're seeing a recognition within government that these tools have been very effective in other venues."

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