Windows 8 license sales since October 2012 were equal to Windows 7 license sales during the same period. The Windows Store has seen app downloads from over 200 countries since launch in June 2013. A mobile game developer announced that while their games had 20 million iOS downloads and 10 million Android downloads, they had 1.5 million Windows 8 downloads, and they are more bullish on the Windows platform going forward due to total revenue and downloads on Windows 8 and Windows Phone.

3. Windows 8 licenses sold since October 2012 launch
as of May 24, equal to sales of Windows 7 during
that same period.
app downloads from the Windows Store since launch
as of June 21, now reaching customers over 200
countries and regions around the world.
Source: Microsoft By the Numbers
http://www.microsoft.com/en-us/news/features/MicrosoftByTheNumbers.aspx

4. Apps just in…
More Downloads
More Revenue
More developers
More apps
Aug 06

5. http://allthingsd.com/20130724/joybits-saysbucking-ios-android-game-duopoly-helpeddoodle-god-series/
“For starters, JoyBits’ announced milestone includes 20
million iOS downloads, 10 million Google Play
downloads, and 1.5 million Windows 8 downloads.”
“Together, Windows 8 and Windows Phone are more meaningful both in
terms of revenue and total downloads. As a result we are more bullish than
ever on gaming for the Windows platform.” – JoyBits CEO Paul Baldwin

6. July. 7, 2013, from Vision Mobile: 35% of developers intend to build for WP
http://venturebeat.com/2013/07/17/6000-mobile-developers-android-most-popular-ios-most-profitable-windows-phone-most-next/
Aug. 7, 2013, from IDC: Apple Cedes Market Share in Smartphone Operating System Market as Android Surges and Windows
Phone Gains,
http://www.businesswire.com/news/home/20130807005280/en/Apple-Cedes-Market-Share-Smartphone-Operating-System
Last quarter we witnessed Windows Phone shipments surpassing BlackBerry and the trend has continued into the second quarter," said
Ryan Reith, Program Manager with IDC's Mobility Tracker Programs. "Nokia has clearly been the driving force behind the Windows Phone
platform, and we expect that to continue. However, as more and more vendors enter the smartphone market using the Android
platform, we expect Windows Phone to become a more attractive differentiator in this very competitive market segment."
Aug. 21, 2013, from IDC: Windows Phone, Latin America’s second most widely used mobile platform
http://www.microsoft.com/en-us/news/Press/2013/Aug13/08-21WPLATAMPR.aspx
IDC has released its Mobile Phone Tracker report, showing that in the second quarter of 2013, Windows Phone is the second most widely
used operating system in the Latin American region.
In one year, the operating system went from fourth to second place with good growth figures, especially in
Argentina, Brazil, Chile, Colombia, Mexico and Peru.

7. $ 99
$ 150
Lumia 521
41megapixels
Lumia 1020

14. private async void ConvertTrial()
{
var licenseInformation = CurrentApp.LicenseInformation;
licenseInformation.LicenseChanged += licenseInformation_LicenseChanged;
if (licenseInformation.IsTrial)
await CurrentApp.RequestAppPurchaseAsync();
}
void licenseInformation_LicenseChanged()
{
if (CurrentApp.LicenseInformation.IsActive)
{
//Enable features..
}
}

16. MO list: http://msdn.microsoft.com/library/windowsphone/help/jj215902(v=vs.105).aspx