Little known to those of us in the United States, Google has a series of social Q&A sites code named Confucius in more than 68 countries. Within those sites are some hints about how content submitted to Google+ may rank in Google Web search. This also highlights a possible advertising model for Google Plus detailed in a Best Paper nominee at the World Wide Web Conference in North Carolina last year. The patent filing was published at the World Intellectual Property Organization Web site rather than with the U.S. patent office, and the authors of the patent --from Google China -- included Edward Y. Chang, the head of Research at Google China.
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