This is a follow up to an earlier blog post of mine where I asked "can you have two different types of ads in one app?" The short answer is yes, you can have different ad units displaying different ads in your Windows Phone app. In fact, it can be done by adding two lines in MainPage.xaml - one for each ad.   To demonstrate this feature to myself, I created a new project that was a Windows Phone Panorama Application.

Can you have more than one ad unit in your app. Yes! Do competitors offer this feature? No. Despite these facts, one of our highest ranked support issues is from app developers who ask: Can I use the same AdUnit more than once in an app? Answer: Yes. Can I have many different AdUnits in my app? Answer: Yes. Do I have to have a different ApplicationId for each of my apps? Answer: Yes. Do I have to have an ApplicationId for each of the AdUnits in my app? Answer: NO!