Apple's yearly developer conference should see iOS 8, OS X 10.10, and likely some hardware.
Apple Rolling Out iAd Spots for App Developers
As noted by Ars Technica's Jacqui Cheng, Apple has updated its iAd developer page to invite app developers to advertise their applications through the company's new mobile ad platform.
iAd for Developers. A great way to promote your applications.
You can now purchase iAd advertising to promote your app to millions of users across the iAd Network. With iAd for Developers, users can download apps from the App Store without leaving the app they're in. It's easy to get started, contact us today and learn how you can drive more downloads of your app with iAd for Developers.