TECH
08/01/2010 05:12 am ET Updated May 25, 2011

Online Critics Can Face Defamation Lawsuits

Web sites like Facebook, Twitter and Yelp have given individuals a global platform on which to air their grievances with companies. But legal experts say the soaring popularity of such sites has also given rise to more cases like Mr. Kurtz's, in which a business sues an individual for posting critical comments online.

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