Social networking sites do double duty these days

The old adage "It's not what you know, but who you know" is unapologetically obvious on such social networking Web sites as Facebook and LinkedIn, where users are working connections to find job opportunities.

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<p><a href="http://www.physorg.com/news145115236.html">Social networking sites do double duty these days</a></p> <p>The old adage "It's not what you know, but who you know" is unapologetically obvious on such social networking Web sites as Facebook and LinkedIn, where users are working connections to find job opportunities.</p>