Today, a good chunk of the planet logs in to the site regularly to keep in touch with friends and family.

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Facebook passed Google as the most visited site on the planet, with one out of every four webpages viewed in the U.S. belonging to Facebook.

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Fab has quickly risen to become the fastest growing e-commerce site on the planet, and its success is largely due to its heavy integration with social media.

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The biggest online auction site on the planet, eBay, is going pop-up store for holiday shopping, reversing the trend of brick and mortar integrating digital, and integrating in reverse.

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But Yellowknife seems to be the next best thing: the first truly habitable site outside of our planet.

NEWYORKER: The Martian Chroniclers

You can meet the celestial bodies under consideration for planet status if you travel to our Web site npr.org.

NPR: A Down-to-Earth View of the Planet Debate

According to local site Vegas Chatter, Cabo Wabo in Planet Hollywood has an 8-pound, 20-topping nacho challenge, while Diablo's Cantina in Monte Carlo has both a spicy 20-piece "Death Wing" and 4-pound burrito challenge.

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Flush with the proceeds of its initial public offering in May, online professional networking site LinkedIn is on a roll all across the planet.

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"People are sharing things they clearly don't want to share with the entire planet, " said Will Moffat, a 32-year-old software engineer who helped build the site.

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