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This is a cool idea. It is a photo booth like the ones you see at weddings sometimes, and it has a iPad attached so you can get instant feedback from the machine and then proceed to email the photos to yourself! And the photo isn`t being taken by the iPad camera, there is ia Nikon DSLR with wireless flash trigger hooked up so you get really high quality photos. This was created by a German photographer named Rocco and check out the link for more info.
Image Source: http://www.engadget.com/2011/06/12/diy-ipad-photo-booth-captures-the-moments-you-might-be-too-drunk/