Its monthly unique visitor totals have increased exponentially over the past few years from about 120 million in 2008 to 540 million in 2010.

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But if Yahoo loses another 5% of the mobile advertising market over the next four years, we would expect the average monthly unique visitor total to reach only 697 million by 2014.

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We think that monthly page views per unique visitor will increase from around 250 to approximately 550.

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