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If I asked you which of the major social sites you thought sent us the most traffic, you might think it was Twitter. After all, the TechCrunch Twitter account has over 1.7 million followers. When you compare this to the (just under) 250,000 fans our Facebook TechCrunch page has, it should be no contest, right? Wrong. The truth is that if this were October of last year, you would have been right in thinking that Twitter was our top referrer in terms of social websites.
Foursquare has just gained its highest-profile user yet: President Barack Obama. “The White House is now on Foursquare, a location-based social networking website, which is the latest way for you to engage with the administration,” The White House said on its blog . “There are over 10 million people already ‘checking in’ around the world, and now you’ll be able to discover ‘tips’ from the White House featuring the places President Obama has visited, what he did there, plus historical information and more.”