Facebook Crosses 100,000,000 Active Users Today

Facebook’s Dave Morin just tweeted that Facebook has officially crossed the 100,000,000 active user mark as of 5pm PT today.

Crossing 100,000,000 active users marks a major milestone for a company that was founded 4 1/2 years ago. The company continues to grow at a tremendous rate – capturing more new social networking users than any other social network in 2008 – and tripling in size since this time last year.

Congrats to the Facebook team!

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