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"More companies are joining the bandwagon  and blocking access to social networking sites.  A web security firm called ScanSafe  reports that a third of employers are now restricting access to social networking sites.  \nIs it because of a loss of productivity?  Not entirely.  The report shows that companies are worried about security issues as well, with employees visiting social networks on company computers.   And frankly, with all the malware floating around, it's hard to entirely blame companies for worrying about security on popular social networks. Lets not also forget about bandwidth usage that could strain a company's network.  Within ScanSafe's own client\u00E8le, about 32% of its customers block access to social networks, with MySpace, YouTube, Facebook  and LinkedIn  being the networks that are being blocked the most.\n[via  webpronews]"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2007/09/28/companies-block-social-networks/>