Yahoo threatens Facebook as patent war looms

SAN FRANCISCO (Reuters) - Yahoo has demanded licensing fees from Facebook for use of its technology, the companies said on Monday, potentially engulfing social media in the patent battles and lawsuits raging across much of the tech sector. Yahoo has asserted claims on patents that include the technical mechanisms in the Facebook's ads, privacy controls, news feed and messaging service, according to a source briefed on the matter. ...

Source: http://news.yahoo.com/yahoo-threatens-facebook-social-media-patent-war-looms-044833752.html

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