Microsoft have released the technical preview version of the Microsoft Advertising SDK for Windows 8.
This provides developers with he ability to begin experimenting with integrating advertising in their Windows 8 apps as well as a chance to try out some of the new ad formats being rolled out by Microsoft.
There are 4 basic steps to get started.
This version will support the following ad sizes for live ads:
In “test mode” additional experiences, including full screen ads can be enabled. (See the help file for the full list)
During the technical preview, there will not be support for actual payments as apps will only be running in an emulation mode. This is a preview after all.