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LIVE: Facebook's Big Announcement

Owen Thomas

We're at Facebook headquarters in Menlo Park, Calif., where the company has invited us to "see what we're building," according to the invitation we got last week.

We'll cover the announcement blow by blow.

Click here for the latest, or just update your browser. We're doing this live, so new stuff will be coming shortly.

People have been speculating about everything from a Facebook phone (highly unlikely) to a major revamp of the Facebook News Feed and Timeline (very possible)—or product announcements that are a complete surprise.

We've even wondered if Facebook might tell us about another thing it's building—a new campus to house 2,800 engineers across the highway from its current home.

We'll have it all here.

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