According to Paul Allen (Ancestry.com co-founder and unofficial Google+ statistician), Google+ has 43.4 million users now and Google+ witnessed a 30% increase in users in the two days following its official opening to all users over age 18. According to Hitwise,Visits to Google Plus increased by 1269% last week and received 15 million U.S. visits, up from 1.1 million.
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