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Fake, slideshow transitions is not gradient but abrupt, at 4sec 12 frames you can see that the tracking did not work properly and the shadow of the finger on the blue/green screen that was used to key the display in afterwards.

Also there is some spill around the fingers.

But otherwise it's a good fake, except the people talking in the background. They would have probably stopped any such event. It's their buttocks too.
 
Not innovating enough!
Everybody is expecting apple to launch something that looks exactly like this. So I bet they won't!
 
if it was authentic it would not be on youtube still... or apple would be suing them.
 
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