Microsoft WP smartphone sales geometry? Using Facebook data to test

"Technology News" December 11, the 2012 Microsoft Windows Phone System smartphone sales is how much? Steve Ballmer, Microsoft's chief executive, said it would be 4 times times 2011.     Interestingly, Facebook-related data seem to confirm the data. According to foreign media reports, in 2011, someone used Windows Phone smartphone built-in Facebook application of the number of monthly active users to infer the Windows Phone smartphone sales.     This is a very ingenious approach because there is a ratio relationship between the two.     According to the data, since October 1, the number of active users of Facebook apps built into Windows phone smartphones has increased by about 627,000, while some 150,000 users in the fourth quarter of 2011 added built-in Facebook apps, 4 times times the number of new users this year.     With 6.756 Windows Phone smartphone users activating a Facebook app, sales of Windows Phone smartphones have exceeded 4.23 million since October 1. According to Gartner, a market analyst, the actual sales volume of Microsoft's Windows Phone smartphone in the fourth quarter of 2011 was about 2.759 million. From October 1 to the present, Windows phone smartphone sales have reached 7 million, the entire quarter will exceed 10 million. In this view, Steve Ballmer, Microsoft's chief executive, did not exaggerate sales.