The two new ad units introduced are meant to be high-impact, interactive formats that fill the mobile screen. One dubbed Mobile Connect delivers a full screen video ad overlaid with icons users can tap to further engage with the brand. Advertisers can include social icons, connecting to their Facebook, Twitter or YouTube page, as well as the App Store, or buttons that link to the their Web site, downloadable coupons, or contact numbers for sales or customer service help.
The other unit--Mobile Billboard--is a full-screen banner or rich media ad that appears before a video or game and allows the user to play video or connect with social networking and e-commerce sites. Read more here.