We’re running a challenge where in you can Win a Nokia Windows Phone. The rules of said competition are detailed in the aforelinked post. There will be many more questions over the coming weeks, here is question 7.
Rather than just talking about, and documenting, the design language for Windows Phone, Microsoft decided to provide a set of default styles, font sizes and other resources that developers can reuse within their applications.
List a resource that is available to all Windows Phone developers and give an example of where you should (and for a bonus entry, where you should not) use that resource?