Google Serves 25 Percent of North American Internet Traffic | Wired Enterprise | Wired.com: " . . . Google has added thousands of servers — called Google Global Cache servers — to ISPs around the world. These servers store the most popular content from Google’s network — a YouTube video that’s going viral right now or apps from the Android marketplace, for example — then serve it directly from the ISP’s data center, rather than streaming it all the way from Google’s data center. These servers were in a handful of North American ISPs three years ago. Today, they’re in 80 percent of them, Labovitiz says. . . ."
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