In order to use the iAd framework, your application needs to access the API's available to the iAd network framework. Therefore, you will have to add the framework into your project. You don't need to embed the framework, you will only need to link your application to the framework itself. That way you are able to call iAd API's from within your application without 'embedding' a standard framework. If you used a framework that was a non-standard framework (yet approve by Apple) you would have to embed that framework into your application bunldle.Hope this helps!!
Topic:
Developer Tools & Services
SubTopic:
Xcode
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