Yahoo threatens Facebook as patent war looms (Reuters)

[unable to retrieve full-text content]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.

Source: http://us.rd.yahoo.com/dailynews/rss/internet/*http%3A//news.yahoo.com/s/nm/20120228/wr_nm/us_facebook_yahoo_patents

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