NewsFactor - In a possible sign of the sea change that social networking has brought to the Internet, new industry data show that U.S. visits to Facebook last week exceeded, for the first time, those to the former top site, Google. While the difference was relatively small for the week ending March 13 -- 7.07 percent of all visits for Facebook, compared to 7.03 percent for Google -- the trend could point to the growing strength of the social Internet.

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