Politicians using Twitter in growing numbers

John McCain took to the Senate floor Monday and talked about twittering. For the increasingly popular networking tool, it was either a moment that marked the technology's full-bore entry into the cultural mainstream -- or an undeniable sign that Twitter is now about as hip as Pac-man.

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<p><a href="http://www.physorg.com/news155481820.html">Politicians using Twitter in growing numbers</a></p> <p>John McCain took to the Senate floor Monday and talked about twittering. For the increasingly popular networking tool, it was either a moment that marked the technology's full-bore entry into the cultural mainstream -- or an undeniable sign that Twitter is now about as hip as Pac-man.</p>