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RealNetworks launched round two in its heavyweight digital music match against Apple Computer, slashing the cost of its music downloads to take business away from Apple's iTunes download service. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-washingtonpost.com&lt;/B&gt;&lt;/FONT&gt;
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