Might have to "Like" this status update...

Mark Zuckerberg announced the news Thursday with a status update on the social network, and also appeared in an interview with Matt Lauer that aired on NBC's Today show and later will be broadcast on Rock Center with Brian Williams.

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"It's just this amazing honor. To be able to come into work every day and build things that help a billion people stay connected with the people they care about .... just unbelievable," the 28-year-old founder marveled to Lauer, adding that "over the last year, 200 million more people have signed up for Facebook."

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