Half of all adult Americans now use social media sites, according to data collected by the Pew Research Center. The center found 65% of all adult Web users in the U.S. use social tools, an increase of four percentage points from a year earlier. Still, older, wealthier and better-educated adults lag the national average, even as they surge ahead in search-engine use and e-reader ownership.
StumbleUpon is responsible for about half of all U.S. social sharing, according to StatCounter data. Facebook accounted for about 39% of social sharing, and no other social network accounted for more than 5% of referrals. Globally, Facebook retains its social-sharing crown with about 60% of total traffic referrals, compared with about 28% for StumbleUpon.
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http://bizshop.com/description.php/MPROMO