Many people are now spotted new Google AdSense ads. These ads are named Google Gadget Ads, yes, they are interactive ads, part of the AdSense program, which was launched on 9/19/2007 at http://www.google.com/adwords/gadgetads/.
As Darren Rowse explains, yes they are interactive ads, hence, "Gadget Ads." The first demonstrations of them were more video format like. Here is an example of one ad that has been popping up on UK sites:
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