If you are writing apps for Windows 8 and you want to earn money by placing ads in your app, it takes 3 easy steps:
- Create an account with the Microsoft Advertising pubCenter. Once you have an account, you can add applications and add units to your account.
- Use the Advertising SDK for Windows 8 to add the appropriate adcontrols to your app.
The third step is not the most obvious and it seems this is a common reason for apps to fail Windows certification (including my own).
Item 4.1.1 of the Windows 8 app certification requirements states:
Your app must have a privacy statement if it is network-capable