Web 2.0: Opening up, or dumbing down?

Are Google, Wikipedia, YouTube, and other Web 2.0 giants the scourge of American culture, laying waste to its 20th-century institutions and dumbing down society?

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<p><a href="http://www.physorg.com/news126453534.html">Web 2.0: Opening up, or dumbing down?</a></p> <p>Are Google, Wikipedia, YouTube, and other Web 2.0 giants the scourge of American culture, laying waste to its 20th-century institutions and dumbing down society?</p>