Apple iAd Advertising Network
With the upgrades iOS 4 Apple has created their own advertising platform to the iPod Touch, iPhone and iPad products.
The iAd platform uses rich media ads such as text, video, audio, games, maps, and more to interact with users.
Apple sells, hosts, and serves the ads with developers receiving 60 percent of the advertising revenue.
For more information or to join the iAd advertising network as a developer see the following link:
http://developer.apple.com/iad/