Microsoft has been so keen to keep updating the number of apps and developers in the MarketPlace. The latest one reported by Windows Phone Developer Blog, there are roughly 3,000 apps and games with more than 15,000 developers currently exist in the MarketPlace. However when it comes to the number of Windows Phone 7 device sales statistics, Microsoft seems to be very recitent to publish it.
The only number we’ve heard so far is the 40,000 units sold on the first day of the launch of the Windows Phone 7 in US on November 8th. Now after couple of weeks in the market we haven’t heard any updates about this number yet.
So let’s try to figure it out using the AllFacebook statistics. Of course it’s still not 100% accurate since we’re not sure whether all Windows Phone 7 users use Facebook although i’m sure most of them do.
There are two apps statistics we can use as reference. The first one is “Windows Phone” which i assumed to be the number of users using the Facebook integration in Windows Phone 7. This statististics shows 126,018 montly active users as per November 30th.
The second app is the dedicated “Facebook app for Windows Phone” which is now the second most popular free app in the MarketPlace. This app usage has been increasing significantly albeit it’s released more than a week after the Windows Phone 7 device it self. And as per today, there are 92,859 monthly active users at the moment.
So what do you think. Are those statistics can represent the number of the Windows Phone 7 device sales so far? Well, apart from the accuracy of this statistic, it’s interesting to see what Microsoft will do to achieve their 30 million target for 2011.





















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[...] Phone 7 handsets by looking at the Monthly Active Users statistics on AllFacebook. Compared to the end of November, there’s a significant growth of the numbers which has been increasing from 126,018 on [...]