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Facebook Milestone: 500 Million Members; On to 1 Billion?

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Facebook on Wednesday announced a remarkable milestone: 500 million active monthly users. And the velocity of its growth raises a mind-boggling possibility: Could Facebook reach 1 billion "friends" next year? That would be roughly 1 out of every 7 human beings on the planet.

If Facebook gallops ahead at its current pace, the 1 billion mark would indeed be reached in 2011. The online social network Mark Zuckerberg and a few Harvard classmates founded in 2004 went from zero to 250 million users in five years—and doubled that number over the past 12 months despite controversy regarding its privacy protocols.

Zuckerberg, 26, has said the 1 billion milestone is "almost a guarantee"—not a matter of if, but when.

From San Jose Mercury News
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