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Google Q4 Results Disappoint

6:16 AM ET Fri, 20 Jan 2012

There are a lot of things that Google is doing behind the scenes in terms of tweaking the algorithm and high priced arbitrage spammers off the system is hurting revenue generating by Google, with Mark Mahaney, Citigroup Investment Research U.S. internet analyst, who also says the vast majority of its revenue is from PC search and more users are conducting mobile search.