Google’s Matt Cutts recently downplayed the significance of social signals in search, compared to links. Search Marketing Expo uploaded a new video to YouTube, featuring a discussion between Cutts and moderator Danny Sullivan, in which he talks about the notion that social signals have replaced links. In short, while social signals may gain power in time, links are still pretty important.
“If you look at the library of congress, they say they have 151.4 million items,” says Cutts. “That’s roughly 34 million books, and if you convert that to just pure text like OCR, that’s something like ten terabytes. The web capture team at the library of congress says they have 235 terabytes. Now everybody in this room probably ought to be saying to themselves: 235 terabytes for the largest library in the world is not that much data. YouTube gets 72 hours of video uploaded every minute. So the web is the largest source of data we’ve ever seen before.”
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